Kale is one possibility.
vernonia calvoana is a leaf vegetable
Bean
Leek
Beet
Only using words with 4 or more letters, there are 73 possibilities (including vegetable).ABETABLEAGEEALEEBALEBATEBEATBEETBELTBETABLAEBLATBLETEAVEEGALGALEGATEGAVEGELTGETAGLEELATELAVELEETLEVATAELTALETEALTEELTELATELEVALEVEALVELAABELEAGLEEAGLETBAGELBEGATBEGETBELGABETELBEVELBLATEBLEATEAGLEELATEGABLEGAVELGELEEGLEBAGLEBEGLEETLEAVELEVEETABLETELAEVALETBEAGLEBEETLEBELATEEAGLETGELATEGLEBAELEGATETELEGAVEGETEVELATEELEVATEGETABLELEGATEEVEGETALVEGETABLEIn the word vegetable, there is only one word-vegetable. However, there are 9 letters in the word.15
leaf
beet or bean
lettuce
no
Vernonia Calvoana is a vegetable. It is a leaf vegetable.
Yes
Wild cabbage is a leaf vegetable.