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and a / ac a / ac a / ac a / ac ha / hag ha / hag agus (also shortened to 's before vowels: é is í = he and she) agus (also 's before vowels)
or neu neu neu neu po pe nó (nó = or; 'nó' does not trigger mutation) no / air neo (no = or; air neo = or else)
but ond ond ond ond mes met ach (ach = but/except; does not trigger mutation) ach (ach = but; no mutation)
because achos / oherwydd achos / oherwydd ohonis ohonis rag / drefen rak / abalamour ma toisc / mar (toisc go + dependent form; mar = as/because + dependent) oir / a chionn 's (oir = for/because; a chionn 's gu = because + dependent)
if os / pe os / pe od od mar / mars ma / mar má (+ independent: 'má tá' = if it is) / dá (+ dependent: 'dá mbeadh' = if there were) — the two Irish 'if' conjunctions trigger different verb forms ma (+ independent) / nan / nam (+ dependent: 'nam biodh' = if there were)
when pan pan pan pan pan pa / pan nuair (+ independent: 'nuair a tháinig sé' = when he came) nuair (nuair a thàinig e = when he came — 'a' triggers lenition)
although er er cyd cyd kynth kement ha cé go (+ dependent: 'cé go raibh sé ann' = although he was there) ged a (+ dependent: 'ged a bha e ann' = although he was there)
so / therefore felly / am hynny felly / am hynny felli felli ytho setu / neuze mar sin / dá bhrí sin (mar sin = so/thus; dá bhrí sin = therefore/for that reason) mar sin / uime sin (mar sin = so/thus; uime sin = for that reason)
that bod (gyda ferf) / i + soft bod (gyda ferf) / i + soft y y fatell / dell ma go (+ eclipsis for indicative: 'go bhfuil' = that … is) / gur (before past tense: 'gur tháinig' = that … came) gu / gun (+ dependent: 'gu bheil' = that … is; 'gun tàinig' = that … came)
while tra / while tra / while tra tra hag esa en ur fad is / agus (fad is = while/as long as; 'agus é ag obair' = while he was working — verbal noun construction) fhad 's a (fhad 's a bha e ag obair = while he was working)
until tan / nes tan / nes hyd hyd bys pan betek go dtí go (+ dependent: 'go dtí go dtiocfaidh sé' = until he comes; eclipsis on verb) gus an (+ dependent: 'gus an tig e' = until he comes)
unless oni bai oni bai oni oni marnas nemet ma mura (+ dependent: 'mura dtiocfaidh sé' = unless he comes; eclipsis on verb) mura (+ dependent: 'mura tig e' = unless he comes)