| PIE | Lat | Gloss | Derivation |
| *-eu̯es | -ūs | nom./acc.pl. 4th decl. ending | -eu̯es > -ou̯es > -ūs |
| *bʰeroH | ferō | carry | bʰeroH > feroH > ferō |
| *bʰréh₂ter- | frāter | brother | bʰréh₂ter- > freh₂ter > frāter |
| *deiu̯o- | deus | god | deiu̯o- > deu̯o > deo > deus |
| *h₂eǵoH | agō | do | h₂eǵoH > h₂egoH > agō |
| *molo- | malus | bad | molo- > malo > malus |
| *mori- | mare | sea | mori- > mari > mare |
| *ǵneh₃skoH | nōscō | to become acquainted with something | ǵneh₃skoH > gneh₃skoH > gnōskō > nōskō |
| PIE | Lat | Expected | Gloss | Derivation |
| *bʰeidʰ- | fidō | **fīdō | trust | bʰeidʰ- > feid > fīd > fīdō |
| PIE | Lat | Expected | Gloss | Derivation |
| *h₃neh₃mn̥ | nomen | **nōmen | name | h₃neh₃mn̥ > nōmn̥ > nōmen |
| PIE | Lat | Expected | Gloss | Derivation |
| *ph₂tḗr | pater | **patēr | father | ph₂tḗr > patēr |
| PIE | Lat | Expected | Gloss | Derivation |
| *pénkʷe | quīnque | **quenque | five | pénkʷe > kʷenkʷe |
| PIE | Lat | Expected | Gloss | Derivation | Notes |
| *bʰleuH- | fluō | **flūH | flow | bʰleuH- > fleuH > flouH > flūH | |
| *bʰorǵʰto- | fortis | **forto | strong | bʰorǵʰto- > bʰorhto > forhto > forto | |
| *h₁reh₁smo- | rēmus | **rēmo | oar | h₁reh₁smo- > rēsmo > rēmo | |
| *kʷudʰei̯ | ubi | **quubej | there | kʷudʰei̯ > kʷubei̯ | |
| *neh₂u- | nāvis | **nāu | ship | neh₂u- > nāu | Remade into i-stem in Latin |
| *nogʷodʰo- | nūdus | **nūdo | nude | nogʷodʰo- > nou̯odʰo > nou̯odo > nūdo | |
| *néu̯o- | novus | **nou̯us | new | néu̯o- > nou̯o > nou̯us |