Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latvian raupjš
← Proto-Indo-European *roup- (mention)
← Proto-Indo-European *reup- (mention)
← Proto-Indo-European *rūp- (mention)
← Proto-Indo-European *rup- (mention)
← Proto-Indo-European *rup- (mention)
← Proto-Indo-European *reu- (mention)
← Latvian *raupus (mention)
← Latvian raupjš (mention)
← Latvian raups (mention)
← Latvian rupjš (mention)

→ Latvian ass (link)
→ Latvian rupjš (mention)
→ Latvian raupjš (mention)
→ Latvian raups (mention)
→ Latvian raupjums (suffix)