Synonyms of tower

1 Syllable
fort, château, keep, mount, soars, mast, looms, loom, soar
2 Syllables
spire, pillar, column, belfry, ascend, stronghold, pillars, fasthold, soared, spotters, castle, turret, steeple, babel, risen, outclass, spotter, outstep, outrank, bulked, shelters, donjon, surpass, fortress, surged, outmatch, outplay, bulking, outplayed, loomed, lookout, shelter, mounting
3 Syllables
ascending, bestrode, pinnacle, citadel, rocketed, cenotaph, caryatid, surpassing, refuge, safehold, outpaced, ascended, monument, skyrocket, outclassed, outrival, sheltering, obelisk, rocketing, surpasses, skyscrapers, footstone, skyscraper, outpace, outhussle, outmatched, outranked, bestride, battlement, minaret, surpassed, monolith
4 Syllables
belvedere, escalade, skyrocketing, skyrocketed, gravestone, quarterage, embattlement, outrivaled, out-distance, outrivaling, overtopping, overtopped
5 Syllables
observatory, fortification, superstructure, observatories