Prety or Pretty: How To spell?
The word Prety is misspelled against Pretty, an adverb meaning "In some degree; moderately; considerably; rather; almost; -- less emphatic than very; as, I am pretty sure of the fact; pretty cold weather."
Pretty has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings pre & y which should not be misspelled with single 'T'
Wrong Spelling:  pre-t-y  Correct Spelling:  pre-tt-y 
Explore spell check of Pretty to spell without errors.