Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
pŭsillănĭmis, e, adj. [pusillus-animus], faint-hearted, timid, pusillanimous (post-class.): pusillanimes consolari, Vulg. 1 Thess. 5, 14; Tert. Fug. in Pers. 9; Claud. Mam. Stat. Anim. 1, 20; Sid. Ep. 7, 17 fin.