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There are 13 twelve-letter words containing COUS

ACOUSTICALLYacoustically adv. (Manner) In an acoustic manner, or using an acoustic musical instrument.
acoustically adv. (Domain) From the perspective of acoustics.
ACOUSTICAL adv. relating to the science of sound, also ACOUSTIC.
ACOUSTICIANSacousticians n. Plural of acoustician.
ACOUSTICIAN n. one versed in the science of acoustics.
BIOACOUSTICSbioacoustics n. A cross-disciplinary science that combines biology and acoustics, investigating for instance the mechanisms…
BIOACOUSTICS n. a branch of science concerned with the production of sound by and its effects on living organisms.
CATACOUSTICScatacoustics n. (Archaic) The science which studies reflected sound.
CATACOUSTICS n. the science of echoes or reflected sounds.
DIOICOUSNESSDIOICOUSNESS n. the state of being dioicous.
GLAUCOUSNESSglaucousness n. The quality of being glaucous.
GLAUCOUSNESS n. the state of being glaucous.
HYPERVISCOUShyperviscous adj. Excessively viscous.
OCHROLEUCOUSochroleucous adj. Yellowish-white; having a faint tint of dingy yellow.
OCHROLEUCOUS adj. yellowish white.
OPTOACOUSTICoptoacoustic adj. (Physics) Describing any of several interactions between light and sound.
OPTOACOUSTIC adj. relating to or combining both vision and hearing.
ORTHOCOUSINSorthocousins n. Plural of orthocousin.
ORTHOCOUSINS n. the children of two brothers or two sisters.
PRESBYCOUSESPRESBYCOUSIS n. progressive loss of hearing with advancing old age, also PRESBYACOUSIS, PRESBYACUSIS, PRESBYCUSIS.
PRESBYCOUSISPRESBYCOUSIS n. progressive loss of hearing with advancing old age, also PRESBYACOUSIS, PRESBYACUSIS, PRESBYCUSIS.
VENEFICOUSLYVENEFICOUS adv. acting by poison or potions or by sorcery, also VENEFIC, VENEFICAL, VENEFICIOUS.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 56 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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