Tenth rhymes with:
drenth, nth, absinthe, amaranth, billionth, coelacanth, corinth, cynth, drenth, dushyanth, eighteenth, eleventh, eranthe, fifteenth, fourteenth, helminth, hyacinth, hyacinthe, jacinth, jacinthe, labyrinth, millionth, month, nineteenth, ninth, nth, plinth, rhodanthe, seventeenth, seventh, sixteenth, thirteenth, threemonth, umpteenth
Tenth sounds like:
taint, tainted, tamed, tandy, tanimoto, tanned, tant, taunt, taunted, teamed, teammate, tedmond, tedmund, tenant, tend, tended, tenement, tenet, tennant, tennent, tent, tenuta, tettamanti, themed, thinned, timed, timeout, timid, timidity, timothea, timothy, tint, tinted, tinto, titanate, tomato, tomatoe, tomita, tonawanda, tonda, toned, tonite, tonti, toutant, tummond, tunde, tuned, twentieth, twenty, twined, tymnet