Here's what rhymes with occasionally.

Consider these alternatives

sometimes / times occasional / educational usually / unusually whenever / never few / you sporadically / automatically routinely / extremely though / so even / leaving throughout / doubt briefly / chiefly always / hallways occasions / relations numerous / humorous appear / will too / to infrequently / frequently although / so variety / society humorous / humerus quite / might can / an many / any various / areas some / from tend / end