Pinnacles, noun plural of pinnacle. Synonyms in the same form.
Acme
acmes, zeniths, apexes, apotheoses, apogees, culminations, extremes, climaxes, crowns, culmens, noontides, crests
Summit
summits, peaks, tops, heights, superlatives, meridians, tip-tops, elevations
Other
minarets, turrets, shafts
All synonyms for pinnacle →