““Pilfer” and “sliver” rhyme with “silver.”
No they don’t.
.
Sure they do. Rhyme doesn’t mean a perfect match. If it did, half the poetry in existence that utilizes rhyming couldn’t exist. At least they rhyme in my pronunciation of English.
“Rhyme” rhymes with “dime” and “time” and also “fine.”
That’s my view, anyway. Perhaps you speak in a different American dialect. Maybe you say “pilfa,” but if you did, you’d likely also say “silva.”
It would be interesting to hear what others think.