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falling {down, out, away}
هبوط {دورانيّ}
Noun
decline [pl. declines]
drop [pl. drops] , {ping}
fall [pl. falls] , {ing}
descent [pl. descents]
touchdown [pl. touchdowns]
slide [pl. slides]
plunge [pl. plunges]
plummet [pl. plummets]
sinking [pl. sinkings]
touchdowns [sing. a touchdown]