Here is a list of nouns that start with WA.

wage, wager, wagon, wahtahm, wail

waist, waistcoat, wait, waiter, waiting

wake, walk, walker, walkout, walkover

wall, wallboard, wallet, wallop, wallpaper

walnut, waltz, wand, wanderer, wandering

want, war, ward, warden, wardrobe

wardroom, ware, warehouse, warfare, warfront

warhead, warmth, warmup, warning, warp

warrant, warranty, warren, warrior, wart

wartime, wash, washbasin, washboard, washbowl

washer, washing, wasp, wastage, waste

wastebasket, wasteland, wastewater, wastrel, watch

watchdog, watching, watchmaker, watchmen, water

watercolor, watercolorist, waterfall, waterfront, waterline

watermelon, waterproofing, watershed, waterside, waterway

watt, wave, wavelength, waver, waving

wax, way, wayside

Hope you enjoy this page of nouns that start with wa and the rest of this noun list a-z site as well.