abundance; stock; amount; existing amount
sunburn; suntan; becoming discolored from the sun (e.g. of paper); yellowing; drying up (of a river, field, etc.)
marine life; marine organism
organic; organic chemistry; organic compound
chloridation; salification; chloride
fluorocarbon; chlorofluorohydrocarbon; CFC
low-priced; cheap; shallow (e.g. sympathy); superficial; link back to discussion group, bulletin board, etc. posting
toxicity; virulence; toxic; virulent; poisonous
air conditioner; air conditioning; aircon
spray; sprayer; atomizer; sprinkles (confectionery); hundreds and thousands
medicine; agent; (chemical) substance; drug; dose
electronic device; electronic equipment; electronics
detergent; cleanser; cleaning agent; washing material
hospital; clinic; doctor's office; doctor's surgery; infirmary
amount used; quantity consumed; usage
disassembly; dismantling; decomposition; resolution; factorization
decrease; reduction; decline
developed country; advanced country
sky; the skies; high-altitude sky; upper air
hole; hole; cup; (electron) hole
although I say; although one might say; although called
worst; horrible; horrid; in the worst case; if worst comes to worst
to return to normal; to revert to the starting point; to go back to how it was
(swimming) pool; pool (cue sport); pooling (money, resources, etc.); pool (price ring)
disinfection; sterilization; sterilisation
salt; salt content; amount of salt; salinity
spewing; gushing; spouting; eruption; effusion
drawing room; parlor; parlour; guest room