posthumous vs late

posthumous and late both are adjectives.

Word	Noun	Adjective	Verb	Adverb
posthumous	No	Yes	No	No
late	No	Yes	No	Yes

posthumous (adjective)	late (adjective)
occurring or coming into existence after a person's death	being or occurring at an advanced period of time or after a usual or expected time
	of a later stage in the development of a language or literature; used especially of dead languages
	at or toward an end or late period or stage of development
	having died recently
	of the immediate past or just previous to the present time
	after the expected or usual time; delayed
	(used especially of persons) of the immediate past

posthumous (adverb)	late (adverb)
	later than usual or than expected
	to an advanced time
	at an advanced age or stage
	in the recent past