Brain snack rhymes with rain mack. It would be convenient if you were writing about Zombies.
Some words that rhyme with "mack" include "black," "jack," and "lack."
Slack, crack, mack, lack.
Spain is a proper noun that rhymes with rain.
Jack Dack Mack Zach Zack
Rain.
rain coat
ignore the pain
sky
Chain-forest
owl hoots
might rain
crane-kick
Candycane.