protrusive vs underslung

protrusive and underslung both are adjectives.

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

protrusive (adjective)	underslung (adjective)
thrusting outward	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