Overview. Dialects can be defined as "sub-forms of languages which are, in general, mutually comprehensible." English speakers from different countries and regions use a variety of different accents (systems of pronunciation) as well as various localized words and grammatical constructions; many different dialects can be identified based on these factors.
A distinctive characteristic of Gaelic pronunciation (also present in Scots and Scottish English dialects (cf. girl [ɡɪɾəl] and film [fɪləm]) is the insertion of epenthetic vowels between certain adjacent consonants. This affects orthographic l n r when followed by orthographic b bh ch g gh m mh; and orthographic m followed by l r s ch.