40 entries under beginning topic. ×

20
basic(adjective, hard, start, simple, plain)
19
elementary(adjective, start, simple, plain, important)
19
fundamental(adjective, simple, plain, important, head)
18
primitive(adjective, simple, plain, important, coarse)
15
primary(adjective, simple, plain, important, head)
10
initial(adjective, simple, plain, head)
9
incipient(adjective, head, fresh, original)
6
introductory(adjective, simple, plain, head)
6
inchoate(adjective, undeveloped)
6
primordial(adjective, important, head, significant)
5
cardinal(noun, adjective, important, head, significant)
5
original(adjective, simple, plain, important, head)
4
key(adjective, important, head, significant)
4
prime(adjective, important, head, significant)
3
early(adjective, head, original, basic)
2
aboriginal(adjective, head, original, prime)
2
inaugural(adjective, head, original, prime)
2
inceptive(adjective, head, fresh, prime)
2
primeval(adjective, head, original, prime)
2
primogenial(adjective, head, fresh, original)
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APASmart Define. (2015). rudimentary thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rudimentary/thesaurus/synonyms
ChicagoSmart Define. 2015. "rudimentary thesaurus" https://smartdefine.org/rudimentary/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, rudimentary thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rudimentary/thesaurus/synonyms>.
MLASmart Define. "rudimentary thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/rudimentary/thesaurus/synonyms>