| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| English | patronymic | (re:) paternal ancestor's name | adj | AHD W7 LRC |
| English | forefather | ancestor | n | AHD W7 LRC |
| English | allopatric | occurring in isolation/different areas | adj | AHD W7 LRC |
| English | eupatrid | ancient Athenian hereditary aristocrat | n | AHD W7 LRC |
| English | expatriate | to banish, drive into exile | vb | AHD W7 LRC |
| English | father | sire, man who begot child | n | AHD W7 LRC |
| English | gaffer | godfather, grandfather, old fellow | n | OED LRC |
| English | godfather | man who sponsors child at baptism | n | W7 LRC |
| English | goombah | companion, associate, older friend | n.sl | AHD LRC |
| English | grandfather | parent's father; ancestor | n | LRC |
| English | padre | Christian clergyman | n | AHD W7 LRC |
| English | paternal | re: father | adj | AHD W7 LRC |
| English | patri- | father | pfx | AHD LRC |
| English | patriarch | scriptural father of human race/Hebrew people | n | AHD W7 LRC |
| English | patrician | member of noble family (of ancient Rome) | n | AHD W7 LRC |
| English | patrimony | estate inherited from father/other ancestor | n | AHD W7 LRC |
| English | patriot | one who loves his native country | n | AHD W7 LRC |
| English | patroclinous | re: inherited characteristics closer to father than mother | adj | AHD LRC |
| English | patron | one named/chosen/honored as special guardian/protector/supporter | n | AHD W7 LRC |
| English | père | father | n | AHD LRC |
| English | perpetrate | to commit, be guilty of | vb.trans | AHD W7 LRC |
| English | sympatric | occurring in same area | adj | AHD W7 LRC |
| American English | compadre | buddy, companion, close friend/associate | n | AHD LRC |
| British English | pater | father | n | AHD LRC |
| Old English | fæder, feder | father | n.masc | LRC |
| Old English | fæd(e)ra | paternal uncle | n.masc | KEW LRC |
| Middle English | fader | father | n | W7 LRC |
| Middle English | patriarche | patriarch | n | W7 LRC |
| Middle English | patricion | patrician | n | W7 LRC |
| Middle English | patrimonie | patrimony | n | W7 LRC |
| Middle English | patron | patron | n | W7 LRC |
| Celtic |
| Old Irish | athir | father | n | LRC |
| West Germanic |
| Old Frisian | fader, feder, feider | father | n.masc | ASD LRC |
| Frisian | faer | father | n.masc | ASD LRC |
| Dutch | vader | father | n.masc | ASD LRC |
| Old Saxon | fadar, fader | father | n.masc | ASD LRC |
| Old Saxon | fediro | paternal uncle | n | KSW LRC |
| Low German | vader | father | n.masc | ASD LRC |
| Old High German | fatar, fater | father | n.masc | ASD LRC |
| Old High German | fetiro | paternal uncle; male cousin | n | KDW LRC |
| Middle High German | vater | father | n.masc | ASD LRC |
| German | Vater | father | n.masc | LRC |
| German | Vetter | male cousin | n.masc | TLL LRC |
| North Germanic |
| Old Norse | faðir | father | n.masc | LRC |
| Icelandic | faðir | father | n.masc | ASD LRC |
| Danish | fader | father | n.masc | ASD LRC |
| Danish | fætter | male cousin | n | TLL LRC |
| Swedish | fader | father | n.masc | ASD LRC |
| Swedish | far | father | n | TLL LRC |
| East Germanic |
| Gothic | fadar | father | n.masc | LRC |
| Italic |
| Latin | pater, patris | father | n.masc | LRC |
| Latin | paternus | of a father | adj | W7 LRC |
| Latin | patres | senators | n.masc.pl | W7 LRC |
| Latin | patria, patriae | fatherland, native country | n.fem | LRC |
| Latin | patricius | of patricians | adj | W7 LRC |
| Latin | patrimonium | property inherited from father | n.neut | W7 LRC |
| Latin | patrius, patria, patrium | paternal | adj | LRC |
| Latin | patro, patrare | to accomplish | vb | W7 LRC |
| Latin | patronus | patron, defender | n.masc | W7 LRC |
| Latin | perpetratus | perpetrated | vb.ptc | W7 LRC |
| Latin | perpetro, perpetrare | to perpetrate | vb | W7 LRC |
| Latin | propritim | as one's own | adv | LRC |
| Latin | proprius, propria, proprium | proper, own | adj | LRC |
| Late Latin | patriarcha | patriarch | n.masc | W7 LRC |
| Late Latin | patriota | patriot, countryman | n.masc | W7 LRC |
| Medieval Latin | expatriatus | having left one's country | vb.ptc | W7 LRC |
| Medieval Latin | expatriō, expatriāre | to leave one's country | vb | W7 LRC |
| Medieval Latin | patronus | patron saint, patron of benefice | n.masc | W7 LRC |
| Portuguese | padre | father, priest | n.masc | W7 LRC |
| Portuguese | pai | father | n | TLL LRC |
| Spanish | compadre | friend, compadre | n.masc | AHD LRC |
| Spanish | padre | father | n.masc | TLL LRC |
| Old French | patriarche | patriarch | n.masc | W7 LRC |
| Middle French | patricien | patrician | n.masc | W7 LRC |
| Middle French | patrimonie | patrimony | n.fem | W7 LRC |
| Middle French | patriote | loving one's country | adj | W7 LRC |
| Middle French | patron | patron saint; one's employer | n.masc | W7 LRC |
| French | père | father | n | TLL LRC |
| Italian | padre | father | n | TLL LRC |
| Hellenic |
| Homeric Greek | πατήρ | father | n.masc | LRC |
| Homeric Greek | πάτρη | home, native land/country | n | LRC |
| Greek | eupatridēs | of noble family | adj | W7 LRC |
| Greek | πατριά | lineage, fatherland | n.fem | LRC |
| Greek | patriarchēs | patriarch | n.masc | W7 LRC |
| Greek | patrios | of one's father | adj | W7 LRC |
| Greek | patriōtēs | patriot, countryman | adj | W7 LRC |
| Armenian |
| Classical Armenian | hayr | father | n | LRC |
| Indo-Iranian |
| Avestan | pitar- | father | n | LRC |
| Sanskrit | pitár- | father | n | LRC |
| Tocharian |
| Tocharian A | pācar | father | n | LRC |