Yes. Those two words technically have the same end rhyme sounds.
Yes, "high" and "goodbye" rhyme because they both end with the same sound "-ai" in this context.
No.
it depends what you mean on goodbye, like the word "died" could work as a goodbye
Now we end here, as we bid you goodbye.
No
yes
Gravedale High - 1990 Goodbye Gravedale 1-12 was released on: USA: 1990
High Incident - 1996 Hello Goodbye 2-1 was released on: USA: 17 September 1996
USA High - 1997 Goodbye Lazz 1-75 was released on: USA: 13 November 1998
* nigh * sigh * why
Yes. High will rhyme with any word that ends in an "eye (i)" sound. High, sky, lie, fry, pie, cry, sigh, etc.
high-interest/my-simplest/i-been-risked
City Guys - 1997 Goodbye Manny High 5-24 was released on: USA: 8 December 2001