105 entries under investigation topic. ×

1
assay(noun, study, check, review, examination)
1
awareness(noun, watch, examination, guard, observation)
1
blue book(noun, expression, study, check, review)
1
body mike(expression, bug, scrutiny, monitor)
1
breakdown(study, check, test, analysis, scrutiny)
1
bug(scrutiny, monitor, tap, shadowing)
1
bugging(bug, scrutiny, monitor, tap)
1
care(control, attention, bug, scrutiny)
1
catechism(noun, study, check, review, approval)
1
close observation(expression, bug, scrutiny, monitor)
1
cross-examination(noun, study, check, review, test)
1
delving(noun, study, review, case, search)
1
direction(control, bug, scrutiny, monitor)
1
eagle eye(noun, expression, study, control, care)
1
experiment(noun, study, check, review, approval)
1
eye(noun, study, control, check, view)
1
final(noun, study, check, review, approval)
1
fishing expedition(expression, review, examination, hunt)
1
grilling(study, check, review, test, analysis)
1
hearing(study, review, case, search, examination)
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APASmart Define. (2015). inspection thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/inspection/thesaurus/synonyms
ChicagoSmart Define. 2015. "inspection thesaurus" https://smartdefine.org/inspection/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, inspection thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/inspection/thesaurus/synonyms>.
MLASmart Define. "inspection thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/inspection/thesaurus/synonyms>