Collocations for primary - adj.

Primary is used with these nouns:
agent, aim, allegiance, campaign, care, cause, challenge, colour, commodity, complaint, component, concern, consideration, contest, criterion, culprit, curriculum, diagnosis, disadvantage, distributor, duty, education, election, emotion, emphasis, feather, focus, function, goal, importance, industry, infection, ingredient, instrument, interest, loyalty, material, means, mission, motivation, motive, object, objection, objective, phase, producer, pupil, purpose, reason, residence, responsibility, rival, role, school, schooling, season, source, sponsor, stress, suspect, target, task, teacher, teaching, text, thrust, tool, treatment, tumour, victim, virtue, voter, weakness