English irregular

← English ir- (affix)

← English regular (affix)

← Middle English irreguler (inherited)

← Old French irreguler (derived)

← Latin in- (mention)

← Latin regularis (mention)

→ English irregularity (suffix)

→ English irregularly (suffix)

→ English nonirregular (prefix)

→ English irregularist (suffix)

→ English irregularness (suffix)

→ English irregularize (suffix)

→ English irregularization (suffix)

→ English stereoirregular (prefix)

→ English regioirregular (prefix)

→ Italian -ere (link)