Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English six
Old English syx (inherited)
Old English siex (mention)
Danish seks (cognate)
German sechs (cognate)
English sice (doublet)
Middle English six (inherited)
West Frisian seis (cognate)
Proto-Germanic *sehs (inherited)
Proto-West Germanic *sehs (inherited)
Ancient Greek ἕξ (cognate)
Proto-Indo-European *swéḱs (inherited)
Latin sex (cognate)
Low German söss (cognate)
Low German sess (mention)
Dutch zes (cognate)
Norwegian - (cognate)
Sanskrit षष् (cognate)

English sixty (affix)
English sextary (link)
English the whole nine yards (mention)
English sixpence (compound)
English boxcars (link)
English sixfold (suffix)
English sixshooter (compound)
English sixscore (compound)
English sixsome (suffix)
English exes (mention)
English sixpenny (compound)
English zack (mention)
English sixmo (suffix)
English sice (doublet)
English sixish (suffix)
English sixer (suffix)
English sixness (suffix)
English sixgill (compound)
English sixies (suffix)
English sixling (suffix)
English Mane Six (mention)
English sixplex (suffix)
English Six Nations of the Grand River (compound)
Avestan 𐬑𐬴𐬎𐬎𐬀𐬱 (cognate)
Atong (India) sik (borrowed)
Atong (India) siks (borrowed)
Bislama sikis (inherited)
Cimbrian sèkse (cognate)
Cimbrian zèkse (cognate)
Spanish seis (cognate)
Fanagalo sikis (borrowed)
Ancient Greek ἕξ (cognate)
Alemannic German sächs (cognate)
Ido sis (derived)
Japanese シックス (borrowed)
Javanese nem (link)
Javanese enem (link)
Latin sex (cognate)
Mòcheno secks (cognate)
Yosondúa Mixtec iñu (link)
Translingual six (derived)
Old Norse sex (cognate)
Pennsylvania German sex (cognate)
Sanskrit षष् (cognate)
Tok Pisin sikis (derived)
Yola zeese (cognate)