As nouns the difference between profs and probs
is that profs is plural of lang=en while probs is plural of lang=en.
As an adverb probs is
probably.
profs
English
Noun
(head)
----
probs
English
Adverb
(-)
(slang) probably.
Synonyms
* prob
* prolly
Noun
(head)
(slang)