Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English frequent
English regular (link)
English recurring (link)
English continual (link)
English steady (link)
English rare (link)
English uncommon (link)
English frequency (link)
English frequently (link)
English infrequent (link)
English frequently asked question (link)
English frequenter (link)
English unfrequented (link)
Old French frequent (derived)
Old French frequenter (mention)
Proto-Indo-European *bhrek- (derived)
Latin frequens (derived)
Latin frequentare (mention)
Latin frequens (mention)

English frequently (suffix)
English infrequent (prefix)
English frequentative (suffix)
English frequentative (mention)
English frequenter (affix)
English nonfrequent (prefix)
English frequentist (suffix)
English equifrequent (prefix)
English frequentation (suffix)
English frequentistic (suffix)
English overfrequent (prefix)
English unfrequent (prefix)
English unfrequent (prefix)
English frequentable (suffix)
English frequentage (suffix)
English frequenteth (suffix)
English semifrequent (prefix)
English frequentness (suffix)
English frequentism (suffix)
English hyperfrequent (prefix)
English normofrequent (prefix)
Latin saepis (link)