Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Russian су-
← Avestan 𐬵𐬀𐬨- (cognate)
← Avestan 𐬵𐬀- (mention)
← Old Church Slavonic сѫ- (cognate)
← Old Church Slavonic соугоубь (mention)
← Ancient Greek ὁμοῦ (cognate)
← Ancient Greek ἅμα (mention)
← Ancient Greek ἁ- (mention)
← Proto-Indo-European *sm̥- (inherited)
← Proto-Indo-European *ḱom (inherited)
← Latin semel (cognate)
← Lithuanian sán- (cognate)
← Lithuanian są́- (mention)
← Latvian suo- (cognate)
← Old Lithuanian sa- (cognate)
← Old Lithuanian sù- (mention)
← Old Prussian san- (cognate)
← Old Prussian sen (mention)
← Russian с- (mention)
← Russian соу- (mention)
← Russian -гиба́ть (mention)
← Russian сугу́бый (cognate)
← Sanskrit सम् (cognate)
← Sanskrit स (mention)
← Proto-Slavic *sǫ- (inherited)
← Proto-Slavic *sъ(n)- (cognate)
← Proto-Slavic *sǫ- (mention)

→ Russian сосед (mention)
→ Russian сутки (link)
→ Russian супостат (mention)
→ Russian несуразный (mention)