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List of 12-letter words containing

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There are 16 twelve-letter words containing A, C, I, N, S and 2Y

CYANOHYDRINScyanohydrins n. Plural of cyanohydrin.
CYANOHYDRIN n. any of various compounds containing both cyano and hydroxyl groups.
DYNASTICALLYdynastically adv. In a dynastic (or dynastical) way.
DYNASTICAL adv. relating to a dynasty, also DYNASTIC.
HYOSCYAMINEShyoscyamines n. Plural of hyoscyamine.
HYOSCYAMINE n. a drug obtained from henbane.
IDIOSYNCRASYidiosyncrasy n. A behavior or way of thinking that is characteristic of a person.
idiosyncrasy n. A language or behaviour that is particular to an individual or group.
idiosyncrasy n. (Medicine) A peculiar individual reaction to a generally innocuous substance or factor.
PHYCOCYANINSphycocyanins n. Plural of phycocyanin.
PHYCOCYANIN n. any of various bluish-green protein pigments in the cells of cyanobacteria.
PICAYUNISHLYPICAYUNISH adv. petty, paltry.
POLYSYNAPTICpolysynaptic adj. (Of a reflex or impulse) of or involving multiple synapses.
POLYSYNAPTIC adj. involving two or more synapses in the central nervous system.
SCARIFYINGLYscarifyingly adv. In a scarifying way.
SCARIFYING adv. SCARIFY, to make superficial cuts in.
SYNAPTICALLYsynaptically adv. (Medicine, neurology) At or by means of a synapse.
SYNAPTICAL adv. of or pertaining to a synapse or synapses between nerve cells, also SYNAPTIC.
SYNDACTYLIESsyndactylies n. Plural of syndactyly.
SYNDACTYLY n. the state of being syndactyl, with digits joined together.
SYNDACTYLISMsyndactylism n. Synonym of syndactyly.
SYNDACTYLISM n. being syndactyl, having fused digits.
SYNDETICALLYsyndetically adv. In a syndetic manner.
SYNDETICAL adv. in grammar, connecting two clauses with a conjunction, also SYNDETIC.
SYNECTICALLYSYNECTIC adv. pertaining to a system of problem solving.
SYNERGICALLYsynergically adv. In a synergic manner.
synergically adv. With regard to synergy.
SYNERGIC adv. relating to synergy.
SYNOPTICALLYsynoptically adv. In a synoptic manner.
synoptically adv. With reference to a synopsis.
SYNOPTICAL adv. relating to a synopsis.
SYNTONICALLYsyntonically adv. In syntonic fashion.
SYNTONIC adv. pertaining to syntony; in harmony with one's surroundings, also SYNTONOUS.

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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 42 words
  • Scrabble in French: 2 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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