underslung vs protrusive

underslung and protrusive both are adjectives.

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

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