| APOLLONICONS | • apollonicons n. Plural of apollonicon. • APOLLONICON n. a gigantic barrel organ, partly automatic. | 
| COLONISATION | • colonisation n. Alternative spelling of colonization. • COLONISATION n. the act of colonising, also COLONIZATION. | 
| CONDONATIONS | • condonations n. Plural of condonation. • CONDONATION n. implied pardon of an offense by treating the offender as if it had not been committed. | 
| CONNOTATIONS | • connotations n. Plural of connotation. • CONNOTATION n. the act of connoting. | 
| CONSOCIATION | • consociation n. (Uncountable) Associating, or coming together in a union; (countable) an instance of this. • consociation n. (Uncountable) Intimate companionship or fellowship; (countable) an instance of this. • consociation n. (Countable, Christianity) A confederation of Christian churches or organizations. | 
| CONSOLATIONS | • consolations n. Plural of consolation. • CONSOLATION n. the act or an instance of consoling. | 
| CONVOCATIONS | • convocations n. Plural of convocation. • CONVOCATION n. an assembly of persons convoked. | 
| CONVOLUTIONS | • convolutions n. Plural of convolution. • CONVOLUTION n. a form or shape that is folded in curved or tortuous windings. | 
| COSPONSORING | • cosponsoring v. Present participle of cosponsor. • co-sponsoring v. Present participle of co-sponsor. • COSPONSOR v. to sponsor jointly. | 
| NITROCOTTONS | • NITROCOTTON n. guncotton, an explosive made from cotton soaked in nitric and sulphuric acids. | 
| NONCLASSROOM | • nonclassroom adj. Not of or pertaining to a classroom. • nonclassroom n. A place that is not a classroom. • NONCLASSROOM adj. not classroom. | 
| NONCOLORFAST | • noncolorfast adj. Not colorfast. • NONCOLORFAST adj. not colorfast, also NONCOLOURFAST. | 
| NONCOMPOSERS | • noncomposers n. Plural of noncomposer. • NONCOMPOSER n. one who is not a composer. | 
| NONCOMPOUNDS | • noncompounds n. Plural of noncompound. | 
| NONCONSCIOUS | • nonconscious adj. Not conscious. • NONCONSCIOUS adj. not conscious. | 
| NONCORROSIVE | • noncorrosive adj. That does not cause corrosion. • NONCORROSIVE adj. not corrosive. | 
| NONCROSSOVER | • noncrossover adj. (Genetics) Not involving crossover. • NONCROSSOVER n. a chromosome that has not crossed over during meiosis. | 
| NONECONOMIST | • noneconomist n. One who is not an economist. • NONECONOMIST n. one who is not an economist. | 
| ONOMASTICONS | • onomasticons n. Plural of onomasticon. • ONOMASTICON n. a dictionary of names, esp. personal names or place names. | 
| PYCNOGONOIDS | • pycnogonoids n. Plural of pycnogonoid. • PYCNOGONOID n. a sea-spider, also PYCNOGONID. |