Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
absentĭa, ae, f. [absum], absence: confer absentiam tuam cum meā, Cic. Pis. 16, 37; Anton. ap. Cic. Att. 14, 13, A; Quint. 4, 2, 70; Tac. A. 4, 64 al.: testimoniorum, want of, Quint. 5, 7, 1.