Word Unit: plesio-, plesi- (Greek: near; resembling that which is named by the combining root)
Word Unit: plethor-, plethysmo- (Greek: excess, superabundance, overly full, fullness; increase)

Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; poly-; super-; total-; ultra-; undu-.

Word Unit: pleuro-, pleur- (Greek: side, rib; a thin membrane with two layers that line the chest cavity)

Cross references of word families that are related, partially or totally, to: "breast, breasts, chest": mammill-; mammo-; masto-; mastoido-; mazo-; pectoro-; sterno-; stetho-; thorac-.

Word Unit: pleusto-, pleust- (Greek: to sail, to float; flow)
Word Unit: -plexia, -plexias, -plexies, -plexy, -plectic, -plexic (Greek: stroke, wound; used in medicine to denote "a condition resulting from a stroke")
Word Unit: plic-, pli- plect-, plec-, plici-, -plex, -plexity, -plexus,
-ple, -pli, -plic, -plicat, -plicit, -plicate, -plication, -ply (Latin: plicare, plecare, to fold, bend, curve, turn, twine, twist, interweave, weave)

Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; streph-; stroph-; tors-; tropo-; verg-; vers-; volv-.

Word Unit: -ploid-, -ploidy-, -plo- (Greek: a fold; folded)
Word Unit: plor- (Latin: to weep, to cry out, to bewail, to lament,)
Word Unit: plum-, plumi-, -plume + (Latin: feather)

Related "feather, feather-like; soft down, plumage" word units: penna-; pinni-, pin-; pterido-; ptero-; ptilo-.

Word Unit: plumb-, plumbo-, plumbi- + (Latin: lead, the metal; Pb)
Word Unit: pluri-, plur-, plu- (Latin: more, many)
Word Unit: Pluto, Hades, Greek god; words from myths (Pluto, Roman god of wealth, ruled the dark underworld of myth; ninth planet from the sun)
Word Unit: pluto-, plut- (Greek: wealth, wealthy, rich)
Word Unit: pluv-, pluvio-, pluvi- (Latin: rain, raining, rain water, rainy; rain fall; heavy showers)
Word Unit: plyno-, plyn-, plysi-, -plysis, plyto- + (Greek: wash, a washing; washtub, basin; by extension, irrigate, irrigation)

Related "wash" words: balneo-; clys-; luto-; lav-.

Word Unit: pneo-, -pnea, -pneic, -pnoea, -pnoeic, -pneo + (Greek: air, wind; breathing)

Word units related to breath and breathe: hal-; pneumato-; pneumo-; psych-; spiro.

Cross references of word groups that are related, directly or indirectly, to: "air, wind": aello-; aeolo-; aero-; anemo-; atmo-; austro-; flat-, flatu-; phys-; pneumato-; turb-; vent-; zephyro-.

Word Unit: pneumato-, pneumat- (Greek: air, wind, breath; presence of air; spirit)

Word units related to breath and breathe: hal-; pneo-; pneumo-; psych-; spiro.

Cross references of word groups that are related, directly or indirectly, to: "air, wind": aello-; aeolo-; aero-; anemo-; atmo-; austro-; flat-, flatu-; phys-; pneo-, -pnea; turb-; vent-; zephyro-.

Word Unit: pneumo-, pneum-, pneumono-, pneumon- (Greek: lung; breath, breathe)

Word units related to breath and breathe: hal-; pneo-; pneumato-; psych-; spiro.

Word Unit: pnigo-, pnig-, pnigmato-, pnigmat- (Greek: choke, smother, suffocate; prevent breathing)
Word Unit: po-, poo-, -poa- + (Greek: grass, a grassy place; meadow, meadows)