Ill-humoured and Ill-natured

Ill-humoured adjective - Brusque and surly and forbidding.

Ill-natured and ill-humoured are semantically related In some cases you can use "Ill-natured" instead an adjective phrase "Ill-humoured".

Ill-natured adjective - Having an irritable and unpleasant disposition.

Ill-humoured and ill-natured are semantically related in ill-tempered topic. Sometimes you can use "Ill-humoured" instead an adjective phrase "Ill-natured".