Word Unit: porc-, pork- (Latin: pig, hog)
Word Unit: poro-, por-, pori- + (Greek > Latin > Old French: passageway, used primarily as "a pore, a small orifice"; opening; cavity, tract)

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-; coelio-; concho-; fenestra-; hernio-; hiat-; meato-; ora-; parieto-; pyl-, pyle-; pylor-; sphinctero-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.

Word Unit: port- (Latin: door, gate, entrance; harbor)
Word Unit: port-, portat- (Latin: carry, bring, bear)

Cross references of word families related to "bear, carry, bring": duc-; -fer; ger-; later-, -lation; phoro-.

Word Unit: Portmanteau (examples of portmanteau combinations or blended words)
Word Unit: -posia, -posium (Greek > Latin: drinking; a word termination [suffix] denoting a relationship to drinking or the intake of fluids)
Word Unit: poso- (Greek: how much? how great?)
Word Unit: Posse Comitatus (Act of 1878, The Power of the County)
Word Unit: post- (Latin: after, behind, later, subsequent)
Word Unit: postero-, poster- (Latin: after, behind, following; denoting relationship to the posterior or back part)
Word Unit: Posters: Something to Think About (posters worth considering)
Word Unit: postul- (Latin: to demand, to ask)
Word Unit: potamo-, potam- (Greek: river, stream)

Cross references of word families that are related directly, or indirectly, to: "river, stream": amni-; fluvio-; meand-; oceano-; ripari-.

Word Unit: potash, potassium hydroxide (Dutch > New Latin: potassium carbonate)
Word Unit: poten-, pot-, poss-, -potent, -potence, -potency, -potential + (Latin: power, strength, ability, able; having authority over; rule over, command of)

Cross references of word families related directly, or indirectly, to: "master, lead, leading, ruler, ruling, govern": -agogic; agon-; arch-; -crat; dom-; gov-; magist-; regi-; tyran-.

Word Unit: poto-, pot- + (Latin: drink)

Related "drink" units: bib-; dipso-; haust-; nectar-.

Word Unit: Prader-Willi Syndrome (Named for Andrea Prader, Swiss pediatrician, born 1919; and Heinrich Willi, Swiss pediatrician, 1900–1971)
Word Unit: pragmato-, pragmat- + (Greek > Latin: skilled in the law; busy, skilled in business; a thing done; to do, effect, accomplish, practice)
Word Unit: prandial- + (Latin: prandium, literally, that which is eaten early)
Word Unit: pratin-, pratini- (Latin: meadow-green, grassy)