luckiness vs destiny

luckiness and destiny both are nouns.

Word	Noun	Adjective	Verb	Adverb
luckiness	Yes	No	No	No
destiny	Yes	No	No	No

As nouns, destiny is a hypernym of luckiness; that is, destiny is a word with a broader meaning than luckiness:

luckiness: an auspicious state resulting from favorable outcomes
destiny: your overall circumstances or condition in life (including everything that happens to you)

Other hypernyms of luckiness include circumstances, fate, fortune, lot, luck, portion.

luckiness (noun)	destiny (noun)
an auspicious state resulting from favorable outcomes	an event (or a course of events) that will inevitably happen in the future
	the ultimate agency regarded as predetermining the course of events
	your overall circumstances or condition in life (including everything that happens to you)