HOBBYHORSE is validvalid

[n HOBBYHORSES]

130,085 of 196,601 in NWL2023·also valid in CSW24

a strong, active horse, of a middle size, said to have been originally from Ireland; an ambling nag [n -S] / of a vessel, to pitch violently [v HOBBYHORSED, HOBBYHORSING, HOBBYHORSES]