Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word investigationis could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
investīgātĭo, ōnis, f. [investigo], a searching or inquiring into, investigation (class.): rerum occultissimarum, Cic. Fin. 5, 4, 10: veri (with inquisitio), id. Off. 1, 4, 13: sapientiae ejus, Vulg. Isa. 40, 28.