Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek τρέμω
Avestan 𐬙𐬭𐬆𐬭𐬆𐬯𐬀𐬌𐬙𐬌 (cognate)
Old Church Slavonic трѧсѫ (cognate)
Ancient Greek τρέω (mention)
Ancient Greek τρέω (cognate)
Ancient Greek τρόμος (mention)
Ancient Greek τρομέω (mention)
Proto-Indo-European *trem- (root)
Proto-Indo-European *trem- (derived)
Proto-Indo-European *ter- (derived)
Proto-Indo-European *tres- (derived)
Latin tremō (cognate)
Lithuanian trišu (cognate)
Latvian trisēt (cognate)
Sanskrit त्रसति (cognate)
Old Irish tarrach (cognate)

English tremulous (cognate)
Greek τρέμω (inherited)
Ancient Greek τρέω (mention)
Ancient Greek ἀτρέμας (affix)
Latin tremo (cognate)