undershot vs underslung

undershot and underslung both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undershot	No	Yes	No	No
underslung	No	Yes	No	No

As adjectives, undershot and underslung are synonyms defined as:

undershot and underslung: having a lower part projecting beyond the upper

Other synonyms of undershot include underhung.

undershot (adjective)	underslung (adjective)
having a lower part projecting beyond the upper	having a low center of gravity; built low to the ground
	having a lower part projecting beyond the upper
	supported from above especially in a vehicle having springs attached to the axle from below