SimilarityRank
ancient 0.832 4287
an_old 0.633 5297
thousand_of_year_ago 0.629 91960
century_old 0.629 92480
age-old 0.627 64987
prehistoric 0.592 40720
ancestral 0.592 49485
the_fabled 0.590 84560
century_ago 0.588 67706
Ancient 0.581 34108
ancient_culture 0.579 86296
a_mysterious 0.574 28174
medieval 0.571 12799
in_ancient_time 0.566 48941
ancient_time 0.564 91668
modern-day 0.548 25761
for_century 0.547 10261
there_be_an_old 0.544 99382
since_ancient_time 0.544 92444
the_[number]_century_ad 0.541 97270
for_millennium 0.536 62319
for_thousand_of_year 0.534 26866
archaic 0.534 33741
a_magical 0.532 40458
for_many_century 0.531 87438