Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ĭnhospĭtālĭtas, ātis, f. [inhospitalis], inhospitality: ut inhospitalitas sit opinio vehemens, valde fugiendum esse hospitem, Cic. Tusc. 4, 11, 27.