11-Letter Words Containing: SPH

• The soil region subject to the influence of plant roots and their associated microorganisms

• in a state of asphyxia

• deprive of oxygen and prevent from breathing

• impair the respiration of or obstruct the air passage of

• be asphyxiated; die from lack of oxygen

• a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

• spherical deep diving apparatus (lowered by a cable) for underwater exploration

• an offensive or disparaging expression that is substituted for an inoffensive one

• the watery layer of the earth's surface; includes water vapor

• The tetravalent positively-charged phosphorus cation R4P+