low-pitched vs inclined

low-pitched and inclined both are adjectives.

Word	Noun	Adjective	Verb	Adverb
low-pitched	No	Yes	No	No
inclined	No	Yes	No	No

low-pitched (adjective)	inclined (adjective)
used of sounds and voices; low in pitch or frequency	at an angle to the horizontal or vertical position
set at a low angle or slant	(often followed by `to') having a preference, disposition, or tendency
	having made preparations