Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ăvārĭtĭes, ēi, f., for avaritia, avarice: avarities et honorum caeca cupido, Lucr. 3, 59; and besides perh. only Claud. III. Cons. Hon. 185; v. Neue, Formenl. I. p. 372.