Rudimentary rhymes with:
sedimentary, alimentary, complimentary, documentary, parliamentary, sedimentary, supplementary, testamentary, alimentary, complimentary, documentary, parliamentary, sedimentary, supplementary, testamentary
sedimentary, alimentary, complimentary, documentary, parliamentary, sedimentary, supplementary, testamentary, alimentary, complimentary, documentary, parliamentary, sedimentary, supplementary, testamentary