fossilised vs inflexible

fossilised and inflexible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fossilised	No	Yes	No	No
inflexible	No	Yes	No	No

fossilised (adjective)	inflexible (adjective)
set in a rigidly conventional pattern of behavior, habits, or beliefs	resistant to being bent
	incapable of change
	not making concessions
	incapable of adapting or changing to meet circumstances