N. number, symbol, numeral, figure, cipher, digit, # integer, counter, round number, formula, function, series, sum, difference, complement, subtrahend, product, multiplicand, multiplier, multiplicator, coefficient, multiple, dividend, divisor, factor, quotient, submultiple, fraction, rational number, surd, irrational number, transcendental number, mixed number, complex number, complex conjugate, numerator, denominator, decimal, circulating decimal, repetend, common measure, aliquot part, prime number, prime, relative prime, prime factor, prime pair, reciprocal, totient, binary number, octal number, hexadecimal number, permutation, combination, variation, election, ratio, proportion, comparison, progression, arithmetical progression, geometrical progression, harmonical progression, percentage, permilage, figurate numbers, pyramidal numbers, polygonal numbers, power, root, exponent, index, logarithm, antilogarithm, modulus, base, differential, integral, fluxion, fluent

Adj. numeral, complementary, divisible, aliquot, reciprocal, prime, relatively prime, fractional, decimal, figurate, incommensurable, proportional, exponential, logarithmic, logometric, differential, fluxional, integral, totitive, positive, negative, rational, irrational, surd, radical, real, complex, imaginary, finite, infinite, impossible

Adv. numerically, modulo

N. repetition, iteration, reiteration, harping, recurrence, succession, run, battology, tautology, monotony, tautophony, rhythm, diffuseness, pleonasm, redundancy, chimes, repetend, echo, ritornello, burden of a song, refrain, rehearsal, rechauffe, rifacimento, recapitulation, cuckoo, reverberation, drumming, renewal, twice-told tale, old story, old song, second edition, new edition, reappearance, reproduction, recursion, periodicity

V. repeat, iterate, reiterate, reproduce, echo, reecho, drum, harp upon, battologize, hammer, redouble, recur, revert, return, reappear, recurse, renew, rehearse, do over again, say over again, ring the changes on, harp on the same string, din in the ear, drum in the ear, conjugate in all its moods tenses and inflexions, begin again, go over the same ground, go the same round, never hear the last of, resume, return to, recapitulate, reword

Adj. repeated, repetitional, repetitionary, recurrent, recurring, ever recurring, thick coming, frequent, incessant, redundant, pleonastic, monotonous, harping, iterative, recursive, unvaried, mocking, chiming, retold, aforesaid, aforenamed, above-mentioned, above-said, habitual, another

Adv. repeatedly, often, again, anew, over again, afresh, once more, ding-dong, ditto, encore, de novo, bis, da capo, again and again, over and over, over and over again, recursively, many times over, time and again, time after time, year after year, day by day &c, many times, several times, a number of times, many a time, full many a time, frequently

Phr. ecce iterum crispinus, toujours perdrix, "cut and come again", "tomorrow and tomorrow and tomorrow", cantilenam eandem canis, nullum est jam dictum quod non dictum sit prius