Photographers - please help

Have now had my beloved Fujifilm X-E2 for close to two years. Bought two different lenses, one 35 mm and one 18mm.

Very rarely use the 18mm.

Am instead looking to buy a zoom lens with a wide range.

Which range do you recommend?

grateful greetings

-e

(pic is of Niki at Gripsholm castle this summer)