What other words don't rhyme?

Abalone and alone.
Aster and waster.
At and swat.
Vaseline and baseline.

move and love are famously that way from shakespeare. I tend to find it more interesting when they look like they shouldn't but do. ala fire and liar. apparently the term is 'eye rhymes'.

Though, through, tough

Chicken and Hedgehog

Food, good, blood

Rinky, dinky, boinky, doink.

Thyme, time. Sage, wage.
Ulcer, now wait a minute, I can't find any word that almost rhymes with Ulcer.

Weight and height

Eminem could rhyme with a slant rhyme

Stove, dove