9-Letter Words Containing: PROPER (In Exact Order) There are 2 9 letter words, 0 9 letter phrases and 0 9 letter abbr's with PROPER in. Did you mean?All 9-letter words9-letter words with P,R,O,P,E,R in any orderAll words with PROPERAnagrams of PROPERBest Scoring 9 Letter Words With: PROPER Top 10Top 10 (Default)Top 20Top 50Top 100 Scr US AllScrabble US (Default)Scrabble EUWW FriendsWordFeud All All (Default)VerbNounAdjectiveAdverbExpand?WordSave?LengthUsagePointsTypeproperdin914 nounnnoun • A protein in human serum that complements part of the immune systemproperest913 Valid word for Scrabble US Tip: Scrabble EU allows far more words than US! Also change the max length to see more words. All 9 Letter Words With PROPER In Order Most Common ASC Word A-ZWord Z-AMost Common ASC (Default)Most Common DESCScrabble Points Hi-LoScrabble Points Lo-HiWWF Points Hi-LoWWF Points Lo-HiWordFeud Points Hi-LoWordFeud Lo-HiWords (2)properest13properdin14