There are 18 11-letter words that start with 'har'.
Note: These 18 11-letter words that start with 'har' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with hard, harm, harp, harb, harr, hara, hare, hars, harv, hark, harl, hari, hart, haru, harn, harq.
4-letter words start with 'har' (7)