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List of 13-letter words containing

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There are 19 thirteen-letter words containing I, N, 3O, R and U

AUTOROTATIONSautorotations n. Plural of autorotation.
AUTOROTATION n. the act of self-turning.
CHLOROCRUORINchlorocruorin n. (Biochemistry, organic chemistry) A green respiratory pigment found in many annelids.
CHLOROCRUORIN n. a green respiratory pigment found in some Polychaeta.
COLOURISATIONcolourisation n. UK standard spelling of colorization.
COLOURISATION n. the act of colourising, also COLORISATION, COLORIZATION, COLOURIZATION.
COLOURIZATIONcolourization n. Canada standard spelling of colorization.
COLOURIZATION n. the act of colourizing, also COLORISATION, COLORIZATION, COLOURISATION.
COPRODUCTIONScoproductions n. Plural of coproduction.
COPRODUCTION n. a joint production.
COUNTERMOTIONcountermotion n. A physical movement that counterbalances another movement.
countermotion n. A legal motion filed in opposition to a previous motion.
COUNTERMOTION n. an opposite motion.
FLUOROSCOPINGfluoroscoping v. Present participle of fluoroscope.
FLUOROSCOPE v. to examine by fluoroscope.
INODOROUSNESSinodorousness n. (Archaic) The lack of odor.
INODOROUS n. emitting no odor.
ISOCHRONOUSLYisochronously adv. In an isochronous manner.
ISOCHRONOUS adv. having the same duration; recurring at equal intervals.
NEIGHBOURHOODneighbourhood n. (British spelling) alternative form of neighborhood.
NEIGHBOURHOOD n. a district, locality, esp. with reference to its inhabitants as a community, also NEIGHBORHOOD.
NOTORIOUSNESSnotoriousness n. Notoriety, infamy.
NOTORIOUS n. infamous.
OVERCOLOURINGovercolouring v. Present participle of overcolour.
overcolouring n. Excessive use of colour; (chiefly in extended use) exaggeration in description; an instance of this.
OVERCOLOUR v. to colour to excess, also OVERCOLOR.
OVERCONSCIOUSoverconscious adj. Excessively conscious.
OVERCONSCIOUS adj. excessively conscious.
OVERHONOURINGOVERHONOUR v. to honour excessively, also OVERHONOR.
SOUNDPROOFINGsoundproofing v. Present participle of soundproof.
soundproofing n. Something that prevents sound from traveling through it, such as is put on walls so adjacent areas are…
soundproofing n. The act of installing material to dampen sound.
STOLONIFEROUSstoloniferous adj. Producing stolons; putting forth suckers.
STOLONIFEROUS adj. bearing or having runners.
THOROUGHGOINGthoroughgoing adj. With great attention to detail; complete, thorough.
thorough-going adj. Alternative form of thoroughgoing.
THOROUGHGOING adj. marked by thoroughness or zeal.
UNORTHODOXIESunorthodoxies n. Plural of unorthodoxy.
UNORTHODOXY n. the state of being unorthodox.
ZOOSPORANGIUMzoosporangium n. (Botany) A sporangium, or conceptacle containing or producing zoospores.
zoösporangium n. Alternative spelling of zoosporangium.
ZOOSPORANGIUM n. a spore case or sporangium bearing zoospores.

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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