saturn 68 End Rhymes

One-syllable rhymes:
bern burn churn
earn fern learn
spurn stern tern
turn urn yearn
Two-syllable rhymes:
adjourn auburn cavern
cistern concern discern
downturn eastern govern
heartburn intern iron
lantern leathern lectern
modern nocturn nocturne
northern pattern postern
relearn return saturn
secern sideburn slattern
sojourn southern stubborn
sunburn tavern u-turn
unlearn upturn western
windburn    
Three-syllable rhymes:
andiron flatiron gridiron
midwestern misgovern northeastern
northwestern overturn promodern
readjourn sadiron southeastern
southwestern taciturn unconcern
Four-or-more syllable rhymes:
overconcern pseudomodern radioiron
ultramodern