Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English foam
← Old English fām (inherited)
← German Feim (cognate)
← Middle English fome (inherited)
← Middle English fom (mention)
← Proto-Germanic *faimaz (inherited)
← Proto-Indo-European *(s)poH(y)- (root)
← Proto-Indo-European (inherited)
← Proto-Indo-European *(s)poH(y)- (mention)
← Northern Kurdish fê (cognate)
← Latin spūma (cognate)
← Latin pūmex (cognate)
← Sanskrit फेन (cognate)

→ English gel (link)
→ English foamy (suffix)
→ English polyfoam (prefix)
→ English foameth (suffix)
→ English foamlike (suffix)
→ English foamer (suffix)
→ English foamless (suffix)
→ English nonfoam (prefix)
→ English microfoam (prefix)
→ English seafoam (compound)
→ English befoam (prefix)
→ English antifoam (prefix)
→ English afoam (prefix)
→ English foamboard (compound)
→ English foamflower (compound)
→ English defoam (prefix)
→ English foamable (suffix)
→ English nanofoam (prefix)
→ English foamback (compound)
→ English foamest (suffix)
→ English geofoam (prefix)
→ English foamability (suffix)
→ English macrofoam (affix)
→ English meadowfoam (compound)
→ English foamie (suffix)
→ English biofoam (prefix)
→ English unfoam (affix)
→ Japanese フォーム (borrowed)
→ Norwegian Bokmål skum (link)
→ Sanskrit फेन (cognate)
→ Saek โฟ๊ม (derived)
→ Thai โฟม (borrowed)
→ Vietnamese nước bọt (link)