Legroom rhymes with:
groom, groome, broom, broome, croom, crume, groom, groome, mcbroom, reaume, rheaume, room, roome, vroom
Legroom sounds like:
lagrone, lazzarini, leckrone, lecrone, leghorn, liljegren, lockerman, lockrem, logogram, loughran, lucerne, lugworm, lukewarm