SEROTYPING is a playable word

serotype Scrabble® Dictionary

verb
serotyped, serotyping, serotypes
to classify (microorganisms) according to a characteristic set of antigens
892 Playable Words can be made from "SEROTYPING"
   2-Letter Words (29 found)
   3-Letter Words (109 found)
   9-Letter Words (4 found)
   10-Letter Words (1 found)