Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English key
Old English cǣġ (inherited)
Old English cǣġe (mention)
Old English cǣga (mention)
Old English cǣggian (cognate)
Middle Dutch keige (cognate)
English keynote (link)
English keyword (link)
English clef (link)
English scale (link)
English key in (link)
English key off (link)
English key out (link)
English keyed up (link)
English cay (mention)
English cay (link)
English Florida Keys (link)
English Key West (link)
English kilogram (mention)
English kilo (link)
Middle English keye (inherited)
Middle English kaye (mention)
Middle English keiȝe (mention)
Spanish cayo (derived)
North Frisian kay (cognate)
West Frisian kaai (cognate)
Proto-Germanic *kēgaz (derived)
Proto-Germanic *kēguz (mention)
Middle Low German kāk (cognate)
Middle Low German keie (cognate)
Middle Low German keige (mention)
Proto-Indo-European *ǵogʰ- (derived)
Proto-Indo-European *ǵegʰ- (mention)
Proto-Indo-European *ǵegʰn- (mention)
Scots key (cognate)
Scots kay (mention)
Saterland Frisian Koai (mention)
Taíno cayo (derived)

English keyboard (compound)
English keystone (compound)
English turnkey (compound)
English rekey (prefix)
English keyhole (compound)
English keyring (compound)
English keyserver (compound)
English keystroke (compound)
English keysmith (compound)
English keynote (compound)
English Allen key (mention)
English keypress (compound)
English low-key (compound)
English latchkey (compound)
English keyword (compound)
English hotkey (compound)
English keypad (compound)
English keyframe (compound)
English keypunch (compound)
English keypal (compound)
English locknote (mention)
English keycard (compound)
English keychain (compound)
English cayo (doublet)
English passkey (compound)
English Key lime (mention)
English keylogging (compound)
English keyer (suffix)
English keyclick (compound)
English keyness (suffix)
English hashkey (compound)
English keyless (suffix)
English keyspace (compound)
English keycap (compound)
English keyable (suffix)
English keyphrase (compound)
English keymask (compound)
English keylike (suffix)
English keyset (compound)
English keycode (compound)
Ajië kii (borrowed)
Xârâcùù kii (borrowed)
Hawaiian (borrowed)
Indonesian kunci (semantic loan)
Japanese (mention)
Japanese (mention)
Japanese (mention)
Japanese (mention)
Japanese キー (borrowed)
Korean (borrowed)
Maori (borrowed)
Maori (link)
Dutch sleutel (link)
Chichewa kiyi (borrowed)
Swazi sikhiya (borrowed)
Saterland Frisian Koai (link)
Tok Pisin ki (derived)
West Uvean kip (borrowed)
Vietnamese khoá (semantic loan)
Vietnamese khoá (link)
Chinese 啱key (derived)