Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English regular
← Middle English reguler (inherited)
← Middle French reguler (derived)
← Middle French regulier (mention)
← Proto-Indo-European *reg- (derived)
← Latin rēgulāris (derived)
← Latin rēgula (mention)

→ English irregular (affix)
→ English rail (mention)
→ English even (link)
→ English average (link)
→ English rule (link)
→ English rule (mention)
→ English frequent (link)
→ English goofy (link)
→ English regularity (mention)
→ English regularly (suffix)
→ English regs (mention)
→ English regularization (suffix)
→ English regularize (suffix)
→ English stereoregular (prefix)
→ English regularise (suffix)
→ English semiregular (prefix)
→ English regioregular (prefix)
→ English regularisation (suffix)
→ English quasiregular (prefix)
→ English nonregular (prefix)
→ English antiregular (prefix)
→ English unregular (prefix)
→ English regularness (suffix)
→ English extraregular (prefix)
→ English regular open (mention)
→ English subregular (prefix)
→ English preregular (prefix)
→ English biregular (prefix)
→ English hyperregular (prefix)
→ English superregular (prefix)
→ English proregular (prefix)
→ English equiregular (prefix)
→ English regular black hole (compound)
→ English non-regular (affix)
→ English overregular (prefix)
→ Afrikaans patroon (link)
→ Indonesian cacah (link)
→ Italian -ere (link)
→ Japanese レギュラー (borrowed)