67 entries under investigate topic. ×

25
sift(verb, study, check, separate, remove)
14
screen(verb, study, check, separate, consider)
8
examine(verb, study, check, separate, observe)
5
probe(verb, study, check, separate, consider)
4
parse(noun, verb, study, check, consider)
4
study(verb, check, consider, observe, view)
3
scrutinize(verb, study, check, separate, consider)
3
sweep(verb, study, check, consider, criticize)
3
weigh(verb, take, study, check, accept)
2
appraise(verb, study, check, consider, criticize)
2
assay(verb, study, check, consider, criticize)
2
assess(verb, check, examine, select)
2
canvass(verb, study, check, consider, criticize)
2
case(verb, study, check, consider, observe)
2
chew over(expression, study, check, consider, criticize)
2
consider(verb, study, check, criticize, observe)
2
delve into(verb, expression, phrasal verb, study, check)
2
dig into(expression, study, check, separate, consider)
2
finger(verb, name, take, study, check)
2
forage(verb, examine, look, seek, search)
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APASmart Define. (2015). winnow thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/winnow/thesaurus/synonyms
ChicagoSmart Define. 2015. "winnow thesaurus" https://smartdefine.org/winnow/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, winnow thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/winnow/thesaurus/synonyms>.
MLASmart Define. "winnow thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/winnow/thesaurus/synonyms>