As verbs the difference between coming and humming
is that
coming is present participle of lang=en while
humming is present participle of lang=en.
As nouns the difference between coming and humming
is that
coming is the act of arriving; an arrival while
humming is the sound of something that hums; a hum.
As an adjective coming
is approaching; of the future, especially the near future; the next.