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English acorn
← Old English æcern (inherited)
← Breton irin (cognate)
← Welsh eirin (cognate)
← Danish agern (cognate)
← English corn (mention)
← Middle English acorn (inherited)
← Middle English (mention)
← Irish airne (cognate)
← Proto-Germanic *akraną (inherited)
← Proto-Indo-European *h₂ógeh₂ (derived)
← Lithuanian úoga (cognate)
← Low German ecker (cognate)
← Dutch aker (cognate)
← Russian я́года (cognate)
← Scots aicorn (cognate)
← Saterland Frisian Äkkene (cognate)

→ English acorn cup (compound)
→ English acorned (suffix)
→ English ac- (mention)
→ English eggcorn (mention)
→ English acorn nut (compound)
→ English acornlike (suffix)
→ Danish agern (cognate)
→ German Buchecker (cognate)
→ Dutch aker (link)
→ Portuguese lande (link)
→ Tocharian B oko (cognate)
→ Venetian pipa (link)