"Indagation" is a word in ENGLISH

eksámen - (Sp. examen) Examination, disquisition, inquisition, inquiry, search, investigation; to examine, search, inquire into, investigate, question. Pagaeksaménon pa ikáw …

To avoid slyly, by artifice, stratagem, or dexterity; to escape from in a covert manner; to mock by an unexpected …

The act of examining, or state of being examined; a careful search, investigation, or inquiry; scrutiny by study or experiment.

To test by any appropriate method; to inspect carefully with a view to discover the real character or state of; …

Inquiry; quest; search.

Search for truth, information, or knoledge; examination into facts or principles; research; invextigation; as, physical inquiries.

The act of inquiring; inquiry; search; examination; inspection; investigation.

Pertaining to inquisition; making rigorous and unfriendly inquiry; searching; as, inquisitorial power.

Unsearchable; incapable of being searched into and understood by inquiry or study; impossible or difficult to be explained or accounted …

To follow up step by step by patient inquiry or observation; to trace or track mentally; to search into; to …

A thorough inquiry of search.

A thorough searching; a minute inquiry or scrutiny.

peskísa - (Sp. pesquisa) Inquiry, investigation, search, examination. (cf. pangusísà).

Those who make search or inquiry, taken collectively.

Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth; as, researches of human wisdom.

To seek; to look for something; to make inquiry, exploration, or examination; to hunt.

The act of seeking or looking for something; quest; inquiry; pursuit for finding something; examination.

To make search or inquiry: to endeavor to make discovery.