Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English brain
← Old English bræġn (inherited)
← German Bregen (cognate)
← Middle English brayn (inherited)
← Middle English brain (mention)
← North Frisian brayen (cognate)
← North Frisian brein (mention)
← West Frisian brein (cognate)
← Proto-Germanic *bragną (inherited)
← Ancient Greek βρεχμός (cognate)
← Proto-Indo-European *mregʰ- (root)
← Proto-Indo-European *mregʰnom (inherited)
← Proto-Indo-European *mregʰ- (derived)
← Proto-Indo-European *men- (mention)
← Low German Brägen (cognate)
← Low German Bregen (mention)
← Dutch brein (cognate)
← Scots braine (cognate)
← Scots brane (mention)
← Saterland Frisian Brainge (cognate)

→ English brainy (suffix)
→ English brainwash (compound)
→ English no-brainer (affix)
→ English brainiac (blend)
→ English brainchild (compound)
→ English rack one's brain (mention)
→ English brainstorm (compound)
→ English scatterbrain (compound)
→ English midbrain (prefix)
→ English birdbrain (compound)
→ English brainbuster (affix)
→ English brainless (suffix)
→ English lamebrain (compound)
→ English brainbox (compound)
→ English brainwave (compound)
→ English hot-brain (compound)
→ English brained (suffix)
→ English brain-dead (compound)
→ English brainteaser (compound)
→ English brainfood (compound)
→ English braincase (compound)
→ English rattlebrain (compound)
→ English musclebrain (compound)
→ English forebrain (prefix)
→ English Brainfuck (compound)
→ English brainpower (compound)
→ English brainist (suffix)
→ English hindbrain (compound)
→ English braindead (compound)
→ English brain-damaged (compound)
→ English braindance (compound)
→ English nerdbrain (compound)
→ English brainpan (compound)
→ English beanbrain (compound)
→ English lackbrain (compound)
→ English brainwork (compound)
→ English brainlike (suffix)
→ English endbrain (compound)
→ English chemobrain (compound)
→ English superbrain (prefix)
→ Arabic دماغي (link)
→ German Bregen (cognate)
→ Ancient Greek βρέγμα (cognate)
→ Japanese ブレーン (borrowed)
→ Kikuyu tombo (cognate)
→ Dutch brein (cognate)
→ Saterland Frisian Brainge (link)
→ Torres Strait Creole brein (derived)
→ Vietnamese long não (link)