L1E1M3M3A1T1I1Z10E1
22 points
LEMMATIZE is validvalid
to group words by lemma [v LEMMATIZED, LEMMATIZES, LEMMATIZING]
to organise (words in a text) so that inflected and variant forms are grouped under the appropriate lemma, also LEMMATISE [v LEMMATIZED, LEMMATIZING, LEMMATIZES]