Wiktionary
vb. To inhabit together
Usage examples of "coinhabit".
They have sailed out of the world coinhabited by ordinary men and Olympian gods into a strange demimonde of half-divine monsters.
It was impossible to know in what proportions to expect these three primate species to be coinhabiting the landscape, and because I saw only gazelles, antelopes, zebras, and a distant pride of lions, I was not likely to solve this problem in a single afternoon.
And they were different, profoundly different, sharing interests and enthusiasms perfectly incommunicable to any other generation, as if genetic drift or disruptive selection had produced a bimodal distribution, so that members of the old Homo sapiens were now coinhabiting the planet with a new Homo ares, creatures tall and slender and graceful and utterly at home, chattering to each other in a profound self-absorption as they did the work that would make Hellas Basin into a sea.