The answer to 'which is worse termite or' is that termites are generally considered worse than other common household pests like ants or cockroaches. Termites can cause significantly more structural damage to a home over time, potentially costing thousands of dollars in repairs if left untreated. They feed on the cellulose in wood, eating away at the structural integrity of a home's framing, floors, walls, and support beams.
In contrast, while ants and cockroaches can be unsightly and spread diseases, they do not typically cause the same level of structural damage as termites. Termites are also more difficult to detect and control, often going unnoticed until the damage is extensive. Calling in a professional pest control expert is usually required to properly identify and treat a termite infestation.