I.
noun
ADJECTIVE
▪ vicious
▪ downward , upward
▪ deflationary , inflationary
▪ wage-price
▪ death ( AmE , figurative )
▪
The company has entered a death ~.
VERB + SPIRAL
▪ create , trigger
▪
There is a risk that the policy may trigger an inflationary ~.
▪ continue
▪
The economy continued its downward ~.
▪ halt , stop
PREPOSITION
▪ ~ of
▪
to halt the vicious downward ~ of drug abuse
II.
adj.
Spiral is used with these nouns: ↑ curl , ↑ dive , ↑ galaxy , ↑ notebook , ↑ stair , ↑ staircase