,очень )Определите корень слова. Hospitalize, unfavorable, instruction, injection, poisonous, reaction, direction, painful, painless, restful, restless, hopeful, hopeless, breathlessness, sleeplessness, intercostal, intramuscular, interspace, intrapleural, disappear, intravenous, subcutaneous, overestimate, subdivide, intracranial, intracardiac, intrathoracic, intratracheal, intraspinal, overweight, overgrowth, overgrow.