Thalamus rhymes with:
anonymous, artemus, autonomous, blasphemous, clackamas, hippopotamus, infamous, magnanimous, monogamous, polygamous, pusillanimous, synonymous, unanimous, venomous
Thalamus sounds like:
tailing, tailings, tallying, talmage, talons, teeling, telemacho, telling, telmex, telmex's, thelma's, thelonius, tiddlywinks, tilling, toddling, toiling, tolling, tooling, totaling, totalling, toweling, twiddling