APERIODICaperiodic · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:APERIODICTier 1Ordinal80Pythagorean53Classical77Reverse163Reverse Reduction55Standard410Final Large410Ordinal86Reduced23Atbash273Isopsephy300Ordinal93Abjad254
BAROQUE PERIODBaroque period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:BAROQUE PERIODTier 1Ordinal146Pythagorean74Classical139Reverse205Reverse Reduction70Standard614Final Large614Ordinal110Reduced38Atbash696Isopsephy867Ordinal147Abjad539
CAMBRIAN PERIODCambrian period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CAMBRIAN PERIODTier 1Ordinal128Pythagorean74Classical122Reverse250Reverse Reduction88Standard702Final Large1352Ordinal135Reduced36Atbash595Isopsephy493Ordinal142Abjad547
CARBONIFEROUS PERIODCarboniferous period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CARBONIFEROUS PERIODTier 1Ordinal213Pythagorean105Classical203Reverse300Reverse Reduction111Standard1020Final Large1020Ordinal192Reduced66Atbash842Isopsephy1797Ordinal249Abjad865
CLASS PERIODclass period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CLASS PERIODTier 1Ordinal121Pythagorean49Classical115Reverse176Reverse Reduction68Standard550Final Large550Ordinal118Reduced37Atbash269Isopsephy720Ordinal135Abjad394
CRETACEOUS PERIODCretaceous period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CRETACEOUS PERIODTier 1Ordinal177Pythagorean78Classical169Reverse255Reverse Reduction93Standard1172Final Large1172Ordinal164Reduced47Atbash409Isopsephy1390Ordinal202Abjad938
DEVONIAN PERIODDevonian period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:DEVONIAN PERIODTier 1Ordinal151Pythagorean79Classical143Reverse227Reverse Reduction74Standard426Final Large1076Ordinal111Reduced48Atbash547Isopsephy461Ordinal137Abjad425
DUTY PERIODduty period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:DUTY PERIODTier 1Ordinal137Pythagorean56Classical129Reverse133Reverse Reduction52Standard720Final Large720Ordinal99Reduced36Atbash450Isopsephy1373Ordinal140Abjad643
FERTILE PERIODfertile period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:FERTILE PERIODTier 1Ordinal142Pythagorean79Classical136Reverse209Reverse Reduction74Standard1020Final Large1020Ordinal138Reduced39Atbash299Isopsephy1219Ordinal166Abjad945
FINAL PERIODfinal period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:FINAL PERIODTier 1Ordinal109Pythagorean64Classical104Reverse188Reverse Reduction62Standard470Final Large470Ordinal110Reduced38Atbash304Isopsephy860Ordinal131Abjad394
FIRST PERIODfirst period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:FIRST PERIODTier 1Ordinal139Pythagorean67Classical133Reverse158Reverse Reduction68Standard1050Final Large1050Ordinal141Reduced42Atbash287Isopsephy1379Ordinal164Abjad973
GEOLOGICAL PERIODgeological period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:GEOLOGICAL PERIODTier 1Ordinal153Pythagorean90Classical146Reverse279Reverse Reduction81Standard488Final Large488Ordinal128Reduced47Atbash873Isopsephy511Ordinal160Abjad333
GESTATION PERIODgestation period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:GESTATION PERIODTier 1Ordinal177Pythagorean78Classical169Reverse228Reverse Reduction84Standard1229Final Large1879Ordinal149Reduced50Atbash568Isopsephy1208Ordinal182Abjad1154
GLACIAL PERIODglacial period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:GLACIAL PERIODTier 1Ordinal112Pythagorean67Classical107Reverse239Reverse Reduction77Standard473Final Large473Ordinal113Reduced32Atbash513Isopsephy364Ordinal121Abjad318
GRACE PERIODgrace period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:GRACE PERIODTier 1Ordinal101Pythagorean65Classical97Reverse196Reverse Reduction61Standard603Final Large603Ordinal99Reduced27Atbash436Isopsephy398Ordinal110Abjad448
HISTORIC PERIODhistoric period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:HISTORIC PERIODTier 1Ordinal168Pythagorean87Classical161Reverse210Reverse Reduction84Standard1091Final Large1091Ordinal164Reduced47Atbash495Isopsephy987Ordinal186Abjad934
INCUBATION PERIODincubation period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:INCUBATION PERIODTier 1Ordinal175Pythagorean85Classical167Reverse257Reverse Reduction95Standard934Final Large1584Ordinal160Reduced52Atbash792Isopsephy1182Ordinal192Abjad778
JURASSIC PERIODJurassic period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:JURASSIC PERIODTier 1Ordinal167Pythagorean68Classical159Reverse211Reverse Reduction94Standard746Final Large746Ordinal152Reduced44Atbash412Isopsephy1210Ordinal184Abjad583
LATENCY PERIODlatency period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LATENCY PERIODTier 1Ordinal147Pythagorean66Classical138Reverse204Reverse Reduction69Standard890Final Large890Ordinal134Reduced35Atbash303Isopsephy1075Ordinal157Abjad735
LATENT PERIODlatent period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LATENT PERIODTier 1Ordinal139Pythagorean58Classical132Reverse185Reverse Reduction68Standard1180Final Large1180Ordinal127Reduced37Atbash260Isopsephy955Ordinal145Abjad1105
LITERARY PERIODliterary period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LITERARY PERIODTier 1Ordinal175Pythagorean85Classical165Reverse203Reverse Reduction86Standard1150Final Large1150Ordinal151Reduced34Atbash336Isopsephy1215Ordinal180Abjad1075
LOWER CARBONIFEROUS PERIODLower Carboniferous period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LOWER CARBONIFEROUS PERIODTier 1Ordinal286Pythagorean133Reverse362Reverse Reduction137Standard1262Final Large1262Ordinal236Reduced83Atbash1025Isopsephy2802Ordinal327Abjad1108
LUNAR TIME PERIODlunar time period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LUNAR TIME PERIODTier 1Ordinal180Pythagorean81Classical171Reverse225Reverse Reduction90Standard1036Final Large1596Ordinal154Reduced46Atbash392Isopsephy1205Ordinal188Abjad961
LUNCH PERIODlunch period · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LUNCH PERIODTier 1Ordinal125Pythagorean62Classical119Reverse172Reverse Reduction55Standard394Final Large394Ordinal97Reduced43Atbash398Isopsephy1349Ordinal143Abjad334