Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English pen
← Old English penn (inherited)
← Old English *pennian (inherited)
← Old English onpennian (mention)
← Old English penn (mention)
← Old English feðer (cognate)
← Old English penn (inherited(en/enm))
← Old Church Slavonic перо (cognate)
← English penitentiary (mention)
← English bullpen (link)
← English Pen Mill (link)
← English pin (link)
← English pent (link)
← English pent-up (link)
← English petition (mention)
← English pterodactyl (mention)
← English feather (mention)
← English feather (mention)
← English hen (mention)
← English swaness (link)
← English penalty (clipping)
← Middle English pen (inherited)
← Middle English penne (mention)
← Middle English pennen (inherited)
← Middle English penne (inherited)
← Old French penne (derived)
← Proto-Germanic *pennō (inherited)
← Proto-Germanic *pannijō (mention)
← Ancient Greek πτερόν (cognate)
← Ancient Greek πέτομαι (mention)
← Proto-Indo-European *bend- (derived)
← Proto-Indo-European *peth₂- (root)
← Proto-Indo-European *péth₂r̥ (derived)
← Proto-Indo-European *peth₂- (mention)
← Proto-Indo-European *petra- (mention)
← Latin penna (derived)
← Low German pennen (cognate)
← Old Norse fjǫðr (cognate)
← Sanskrit पत्रम् (cognate)

→ English swan (link)
→ English pennant (mention)
→ English penner (suffix)
→ English pend (mention)
→ English pent (affix)
→ English pigpen (compound)
→ English bullpen (compound)
→ English penknife (compound)
→ English EpiPen (blend)
→ English penfriend (compound)
→ English penlight (compound)
→ English playpen (compound)
→ English pintle (link)
→ English penstock (mention)
→ English penman (suffix)
→ English penup (mention)
→ English penholder (compound)
→ English penfold (compound)
→ English penlike (suffix)
→ English penless (suffix)
→ English penmaking (compound)
→ English penmaker (compound)
→ English penlite (compound)
→ English penwoman (compound)
→ English autopen (prefix)
→ English unpen (prefix)
→ English hogpen (compound)
→ English penwiper (compound)
→ English penrack (compound)
→ English impen (affix)
→ English penfish (compound)
→ English penstroke (compound)
→ English pencraft (suffix)
→ English pennage (affix)
→ English pentrough (compound)
→ English pentail (compound)
→ English pencentric (suffix)
→ English Penn (mention)
→ English penneth (suffix)
→ English pennest (suffix)
→ Danish pen (link)
→ Middle English pennen (mention)
→ Hindi पेन (borrowed)
→ Japanese 筆 (mention)
→ Korean 펜 (borrowed)
→ Korean 싸인펜 (mention)
→ Latin peto (mention)
→ Marathi पेन (borrowed)
→ Serbo-Croatian ptica (mention)
→ Tok Pisin pen (inherited)
→ Tok Pisin pen (link)