Collocations for banana - noun

ripe
overripe
green
mashed

bunch
I bought a small bunch of bananas.

eat, have
pick
mash
slice
peel

peel, skin (figurative)
The company has acquired an unhappy knack of slipping on banana skins (= being led into making mistakes that make it look stupid).

plant, tree
leaf
grove, plantation
bread, cake