6-Letter Words Starting: CI

• a steep-walled semicircular basin in a mountain; may contain a lake

• the cardinal number that is the sum of four and one

• accustom to urban ways

• a message written in a secret code

• a mathematical element that when added to another number yields the same number

• a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

• a person of no influence

• a secret method of writing

• convert ordinary language into code

• make a mathematical calculation or computation

• Myrrhis odorata, a plant in the genus Myrrhis, in the family Apiaceae.

• Sweetroot, any of several plants in the genus Osmorhiza

• the social science of civic affairs

• stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone

• civilian garb as opposed to a military uniform

• a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers

• a 16th century musical instrument resembling a guitar with a pear-shaped soundbox and wire strings