Rhymes with 'swish'
Scots Language Rhymes
clish
        (Scots for to repeat gossip)
Scottish-English Rhymes
dish
                fish
                -ish
                squish
                swish
                wish
Imperfect Rhymes for 'swish'
Consonant-shift to /ɪʃt/
5 near rhymes such as dished, fished, wished