Deep.
deep
deep
"Deep" rhymes with "cheap" and is the opposite of "shallow."
The word that rhymes with "leap" and means save is "keep".
The answer is weep. Weep rhymes with leap, and means to cry.
A word that rhymes with leap but means to save might be "keep"
A word that rhymes with "leap" and "large pile" is "creep."
sweep
creep
Creepier
Jeep and fall
keep