GROUP 1
INCREASE
rise, climb, grow, go up
PLUMMET
plunge, tumble, collapse, fall sharply
GRADUALLY
slowly, steadily, progressively, little by little
DECREASE
decline, fall, drop, go down
PEAK
reach a high point, hit the highest level, top out, culminate
DRAMATICALLY
significantly, sharply, substantially, noticeably
FLUCTUATE
vary, oscillate, change irregularly, shift
RECOVER
rebound, bounce back, regain, pick up
SLIGHTLY
marginally, minimally, barely, a little
STABLIZE
remain steady, level off, stay constant, plateau
OVERTAKE
surpass, exceed, outstrip, outnumber
STEADILY
consistently, regularly, continuously, uniformly
SURGE
soar, rocket, shoot up, escalate
DOMINATE
lead, prevail, outweigh, predominate
RAPIDLY
swiftly, quickly, speedily, promptly