1 | noun | (logic) a statement that is necessarily true 2 | noun | useless repetition

tau-tol-o-gy (9 letters | 4 syllables)

1579 (Elizabethan era | European Renaissance) (446 years ago)

Latin | Modern Greek

tautologies

true statement | truth | repetitiousness | repetitiveness (total: 4)

aetiology | anthology | astrology | audiology | histology | neurology | pathology | radiology | scatology | tautologous | teleology (total: 11)

(none among common words)

Spanish: | tautología (linguistics) French: | tautologie (linguistics) Portuguese: | tautologia (linguistics) German: | Tautologie (linguistics) Japanese: | 同語反復 (common noun) | 同語反覆 (common noun)

tautology.net

(none)

13 (International English) | 13 (North American English)