There are 18 10-letter words that start with 'war'.
| warbonnets | wardenries | wardenship |
| wardresses | wardrobing | warehoused |
| warehouser | warehouses | warinesses |
| warlordism | warmnesses | warmongers |
| warrantees | warranters | warrantied |
| warranties | warranting | warrantors |
Note: These 18 10-letter words that start with 'war' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with warr, warm, ward, wars, warp, ware, wart, warb, wari, warl, warn, warf, warh, wark, warw, warc, wary.
4-letter words start with 'war' (9)