uwchraddiad

== Welsh == === Etymology === From uwchraddio +‎ -ad. === Pronunciation === (North Wales) IPA(key): /ɨ̞u̯χˈraðjad/ (South Wales) IPA(key): /ɪu̯χˈraðjad/ === Noun === uwchraddiad m (plural uwchraddiadau) upgrade === Mutation ===