Shawinigan rhymes with:
finigan, finnigan, bennigan, branigan, brannigan, donigan, dunnigan, finigan, finnigan, flanigan, flannigan, hanigan, hannigan, henigan, hennigan, lanigan, shenanigan, swanigan
Shawinigan sounds like:
samsom, samson, san-juan, sang-gon, sanguine, sanjuan, sansom, sanson, sansone, sanzone, schenken, semicon, senseney, shamanism, shangkun, shanken, shankman, shenanigan, shenkman, shenzhen, siemsen, simenson, simison, simkin, simonsen, simonson, simonsson, simson, singin', skonieczny, snecma, sonnenschein, sunken, sunshine, sunshiny, swanigan, swanson, swensen, swenson, swinson, syncom, syngman