Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English couple
← English copula (doublet)
← Middle English couple (inherited)
← Old French couple (derived)
← Latin cōpula (derived)

→ English copula (doublet)
→ English pair (link)
→ English pair (link)
→ English accouple (mention)
→ English accouple (prefix)
→ English uncouple (prefix)
→ English coupling (affix)
→ English thermocouple (affix)
→ English coupla (mention)
→ English coupler (suffix)
→ English recouple (prefix)
→ English coupledom (suffix)
→ English outcouple (prefix)
→ English couply (suffix)
→ English noncouple (prefix)
→ English coupley (suffix)
→ English couplable (suffix)
→ English couplezilla (suffix)
→ English couplehood (suffix)
→ English intercouple (prefix)
→ English couplish (suffix)
→ English coupleish (suffix)
→ English throuple (blend)
→ English supercouple (prefix)
→ English medcouple (compound)
→ Japanese カップル (borrowed)
→ Korean 커플 (borrowed)
→ Korean 카플 (borrowed)
→ Old Occitan cobla (mention)