45 entries under noun topic. ×

4
experimentation(study, measure, struggle, examination)
3
cut and try(expression, idiom, study, test)
3
experiment(study, struggle, examination, test)
3
trial(study, measure, examination, test)
3
trial and error(expression, idiom, study, measure)
2
analysis(study, measure, struggle, examination)
2
crack(struggle, examination, test, effort)
2
fling(study, measure, struggle, examination)
2
hit and miss(expression, idiom, study, test)
2
testing(struggle, examination, test, effort)
1
R and D(expression, idiom, study, measure)
1
assay(study, measure, struggle, examination)
1
attempt(study, measure, struggle, examination)
1
audition(struggle, examination, test, trial)
1
check(study, measure, struggle, examination)
1
dry run(expression, study, measure, struggle)
1
endeavor(struggle, examination, test, effort)
1
essay(study, measure, struggle, examination)
1
examination(study, measure, struggle, test)
1
experience(struggle, examination, test, effort)
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APASmart Define. (2015). research and development thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/research_and_development/thesaurus/synonyms
ChicagoSmart Define. 2015. "research and development thesaurus" https://smartdefine.org/research_and_development/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, research and development thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/research_and_development/thesaurus/synonyms>.
MLASmart Define. "research and development thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/research_and_development/thesaurus/synonyms>