Word Unit: codex-, codi-, cod- (Latin: a code of laws, a writing tablet; an account book; secret writing; originally, "the trunk of a tree")
Word Unit: coelio-, coelo-, coel-, -coele, coeli-, celeo-, cel-, cele-, celi-, celio- (Greek: abdomen [hollow, cavity of the body])

A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube": alveolo-; antro-; anu-; celo-; concho-; fenestra-; hernio-; hiat-; meato-; ora-; parieto-; poro-; pyl-, pyle-; pylor-; sphinctero-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.

Word Unit: cogni-, cogn-, cognosc- (Latin: know, learn; comprehend, perceive)

Inter-related cross references, directly or indirectly, involving word units meaning "know, knowledge; learn, learning": discip-; gno-; histor-; intellect-; learn, know; math-; sap-; sci-; sopho-.

Word Unit: coife, cofea, cuphia (Latin: a helmet, a cap; head dress, hair style)
Word Unit: coimetro-, coimetr-; koimetro-, koimetr- (Greek: koimeterion, sleeping-room, burial-place; grave, grave yard; final resting place)

Cross references of word groups that are related, directly or indirectly, to: "bury, burial, cemetery, grave; sleeping place": Epitaphs; funer-; sepulc-; sheol; tapho-.

Word Unit: -cola, -colas; -cole; -colent; -colid; -coline; -colous (Latin: to inhabit; to live in, to live on, to live among; to dwell; living among, dwelling in; occurring on, occurring in)

Related life, live-word units: anima-; bio-; vita-; viva-.

Word Unit: cole-, coleo- + (Greek: sheath, scabbard; in medicine, a combining form that means "sheath" or "vagina")
Word Unit: coll-, col- (Latin: neck)

Cross references related to "neck, throat" word families: cervic-; esophag-; guttur-; laryng-; nuch-; trachel-.

Word Unit: collo-, coll-, colla- + (Greek: glue)
Word Unit: colloido-, colloid- + (Greek: glue; used in the sense of "pertaining to a colloid, a gelatinous [gluelike] substance in which particle matter is suspended")
Word Unit: colo-, col- (Greek: kolo- > Latin: colo-, colon or large intestine [that part which extends from the cecum to the rectum])
Word Unit: colon-, -coln + (Latin: estate, farm, settlement)
Word Unit: color- (Latin: color)
Word Unit: coloss- (Greek > Latin: gigantic, enormous, huge)
Word Unit: colpo-, colp-, kolpo-, kolp- (Greek: womb, fold; vagina; from "bosom, lap, hollow")
Word Unit: coluber-, colubr- (Latin: snake)

A cross reference of other word family units that are related directly, or indirectly, with: "snakes or other reptiles": angui-; herpeto-; ophio-; reptil-; sauro-.

Word Unit: columba-, columb- (Latin: pigeon or dove)
Word Unit: com-, co-, cog-, col-, con-, cor- (Latin: together, together with, with)

Related "together" units: greg-; inter-; struct-.

Word Unit: coma-, -coma (Greek: from Modern Latin which came from Greek koma, komatos, "deep sleep")
Word Unit: commu-, comm- (Latin: common, universal, public; multitude and common people)