English Welsh Middle Welsh Old Welsh Cumbric Cornish Breton Irish Gaelic Scottish Gaelic
in yn (+ soft mutation) / mewn yn (+ soft mutation) / mewn yn yn yn / en e / en i / in (+ eclipsis: i mBaile Átha Cliath = in Dublin) ann an / ann am (ann am Baile Mòr = in the town)
on ar ar ar ar war war ar (+ lenition: ar an mbord = on the table — eclipsis in Connacht/Ulster) air (air a' bhòrd = on the table)
at wrth / yn wrth / yn at at orth e / e-tal ag (+ eclipsis before article: ag an mbord = at the table; ag in many prepositional pronouns) aig (aig a' bhòrd = at the table)
to i / at / tua at i / at / tua at i i dhe da go (+ eclipsis: go dtí = up to/until; go Baile Átha Cliath = to Dublin) gu / do (gu Glaschu = to Glasgow; do'n bhaile = to the town)
from o / oddi wrth o / oddi wrth o o a / dhyworth eus / deus ó / as (ó = from a place/person; as = out of: as Éirinn = from Ireland) à / o (à Alba = from Scotland; o = from)
with gyda / efo / â (+ aspirate) gyda / efo / â (+ aspirate) gan gan gans gant le (+ lenition: le mo chara = with my friend; fused: liom, leat, leis, léi, linn, libh, leo) le (fused: leam, leat, leis, leatha, leinn, leibh, leotha)
for ar gyfer / dros ar gyfer / dros er er rag evit do / ar son (do = for/to: dom = for me; ar son = for the sake of) do / airson (do = for/to; airson = for the sake of / in order to)
about am (+ soft mutation) am (+ soft mutation) am am a-dro dhe diwar-benn faoi / maidir le (faoi = about/under; fused: fúm, fút, faoi, fúithi, fúinn, fúibh, fúthu) mu / mu dheidhinn (mu = about; fused: umam, umad, uime, uimpe, umainn, umaibh, umpa)
between rhwng rhwng ruing ruing ynter etre idir (fused: eadrainn = between us, eadraibh = between you, eatarthu = between them) eadar (fused: eadarainn, eadaraibh, eatorra)
under dan / o dan dan / o dan tan tan yn-dann dindan faoi (+ lenition — same word as 'about' in a different sense; fused: fúm, fút etc.) fo (fused: fodham, fodhad, fodha, fodhpe, fodhainn, fodhaibh, fodhpa)
over / above uwchben / dros uwchben / dros uwch uwch a-ugh dreist os cionn / thar (os cionn = above; thar = over/across; fused: tharam, tharat, thairis, thairsti etc.) os cionn / thar (os cionn = above; thar fused: tharam, tharat, thairis, thairte etc.)
before cyn / o flaen cyn / o flaen cein cein kyns / a-dherag a-raok roimh (+ lenition; fused: romham, romhat, roimhe, roimpi, romhainn, romhaibh, rompu) ro / roimh (fused: romham, romhad, roimhe, roimhpe, romhainn, romhaibh, romhpa)
after ar ôl ar ôl guetig guetig wosa goude tar éis / i ndiaidh (tar éis = after; i ndiaidh = following/in the wake of; i ndiaidh eclipses) às dèidh / an dèidh (às dèidh = after; an dèidh + gen)