Peaks, noun plural of peak. Synonyms in the same form.
Summit
summits, pinnacles, apexes, zeniths, crowns, acmes, apogees, extremes, climaxes, vertexes, apotheoses, culminations, capstones, culmens, noontides
Height
tops, heights, crests, elevations, tip-tops, superlatives, meridians
Prime
primes, heydays, blooms, blossoms, flowers, flushes, efflorescences
Visor
visors, eye-shades, bills
Other
points, tips, spires, extremums, wampums
All synonyms for peak →