77 entries under lesson topic. ×

22
theme(noun, action, study, area, strength)
11
discipline(noun, verb, study, area, run)
10
course(noun, study, plan, issue, division)
10
problem(noun, study, trouble, worry, concern)
10
study(noun, area, issue, division, question)
4
speciality(noun, area, discipline, class, field)
3
task(noun, business, study, concern, interest)
2
application(noun, study, class, exercise, course)
2
class(noun, study, area, group, issue)
2
cogitation(noun, study, class, exercise, course)
2
consideration(noun, study, piece, class, exercise)
2
contemplation(noun, study, class, exercise, course)
2
course of study(noun, expression, idiom, division, course)
2
cramming(noun, study, class, exercise, course)
2
discussion(noun, difficulty, issue, question, class)
2
exercise(noun, study, class, course, analysis)
2
form(noun, entity, part, point, object)
2
inspection(noun, study, class, exercise, course)
2
line(noun, area, point, piece, idea)
2
occupation(noun, business, study, area, concern)
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APASmart Define. (2016). subject thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/subject/thesaurus/synonyms
ChicagoSmart Define. 2016. "subject thesaurus" https://smartdefine.org/subject/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, subject thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/subject/thesaurus/synonyms>.
MLASmart Define. "subject thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/subject/thesaurus/synonyms>