Undershirt rhymes with:
sweatshirt, extrovert, gumpert, humpert, introvert, lampert, miniskirt, nightshirt, outskirt, sweatshirt
Undershirt sounds like:
undergrad, undergraduate, undergrowth, underscored
sweatshirt, extrovert, gumpert, humpert, introvert, lampert, miniskirt, nightshirt, outskirt, sweatshirt
undergrad, undergraduate, undergrowth, underscored