| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| Old English | nefa | nephew, stepson, grandson | n.masc | W7 ASD LRC |
| Old English | nift | niece, granddaughter | n.fem | KEW LRC |
| Middle English | nece | niece, granddaughter | n | W7 LRC |
| Middle English | nevew | nephew | n | W7 LRC |
| English | nephew | son of brother(-in-law) or sister(-in-law) | n | AHD W7 LRC |
| English | nepotism | favoritism towards family/relatives | n | AHD W7 LRC |
| English | niece | daughter of brother(-in-law) or sister(-in-law) | n | AHD W7 LRC |
| West Germanic |
| Old Frisian | neva | nephew, grandson, stepson | n | ASD LRC |
| Dutch | neef | nephew, male cousin | n.masc | TLL LRC |
| Dutch | nicht | niece, female cousin | n.fem | TLL LRC |
| Old Saxon | neb@h%o, nevo | nephew | n.masc | KSW LRC |
| Old High German | nefo | nephew, grandson, stepson | n | ASD LRC |
| German | Neffe | nephew | n.masc | LRC |
| German | Nichte | niece | n.fem | LRC |
| North Germanic |
| Old Norse | nipt | close female relative | n.fem | KNW LRC |
| Icelandic | nefi | nephew, kinsman | n | ASD LRC |
| Italic |
| Latin | nepos, nepōtis | nephew, grandson | n.masc | W7 CLD LRC |
| Latin | neptis | niece, granddaughter | n.fem | W7 LRC |
| Late Latin | neptia | niece, granddaughter | n.fem | W7 LRC |
| Old French | neveu | nephew | n.masc | W7 LRC |
| Old French | nièce | niece | n.fem | W7 LRC |
| French | népotisme | nepotism | n.masc | W7 LRC |
| Italian | nepote | nephew, grandchild | n.masc | W7 LRC |
| Italian | nepotismo | nepotism | n.masc | W7 LRC |
| Indo-Iranian |
| Sanskrit | napāt | grandson | n | W7 LRC |