| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| Old English | fæsl | offspring, progeny | n.neut | LRC |
| Middle English | pensel | pencil | n | W7 LRC |
| English | pencil | artist's brush | n | AHD W7 LRC |
| English | penicillium | blue mold fungus | n | AHD W7 LRC |
| English | penis | male organ of copulation | n | AHD W7 LRC |
| West Germanic |
| Old Dutch | fasel, vasel | fetus (in utero) | n | ASD LRC |
| Low German | fasel | offspring, progeny | n | ASD LRC |
| Old High German | fasal | brood, offspring, progeny | n.fem | ASD LRC |
| Old High German | faselt | penis | n | RPN LRC |
| Middle High German | vasel | brood, offspring, progeny | n.neut | ASD LRC |
| German | fasel | brood, offspring, progeny | n.masc | ASD LRC |
| North Germanic |
| Icelandic | fösull | brood | n.masc | ASD LRC |
| Italic |
| Latin | penicillus | little tail | n.masc.dim | W7 LRC |
| Latin | pēnis | tail; penis | n.masc | RPN LRC |
| Vulgar Latin | penicellus | little tail | n.masc.dim | W7 LRC |
| New Latin | penicillium | (genus of) fungus | n.neut | W7 LRC |
| Middle French | pincel | little tail, painting brush | n.masc | W7 LRC |
| Hellenic |
| Greek | πέος | penis | n.neut | RPN LRC |
| Greek | πόσθη | penis | n.fem | RPN LRC |
| Indo-Iranian |
| Sanskrit | pásas- | penis | n | RPN LRC |