Here's what rhymes with difthe.
fifth Words that almost rhyme with difthe
ifs riffs whiffs gives lives myths cliffs sieves scythes skiffs sniffs writhes smiths forgives blacksmiths goldsmiths hieroglyphs monoliths silversmiths pith myth width filth plinth scythe writhed writhe sixth smith labyrinth therewith wherewith herewith hyacinth forthwith monolith silversmith