unpredictable vs uncertain

unpredictable and uncertain both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unpredictable	No	Yes	No	No
uncertain	No	Yes	No	No

unpredictable (adjective)	uncertain (adjective)
not capable of being foretold	not established beyond doubt; still undecided or unknown
unknown in advance	lacking or indicating lack of confidence or assurance
not occurring at a regular rate or fixed intervals	not certain to occur; not inevitable
	not established or confirmed
	ambiguous (especially in the negative)
	not consistent or dependable
	subject to change