Humidor rhymes with:
isidore, amador, backdoor, bedore, commodore, ecuador, el-salvador, indoor, isidore, labrador, matador, oradour, outdoor, parador, salvador, san-salvador, stevedore, theodore, troubadour
Humidor sounds like:
hamiter, hammontree, hander, handier, hemmeter, hendra, hendrie, hendry, hinder, hinderer, hunter