rich.adj richen.vt riches.n richly.adv
sweet.adj sweeten.v sweet.n sweetly.adv
care.v/n careful/careless.adj carefully.adv
wise.adj/v wisely.adv wisenss.n
patient.adj patiently.adv patience.n
friend.n friendly.adv/adj
value.n/v valueless/valued.adj
agree.v agreed/agreeable.adj agreement.n agreeably.adv
think.v thought.n thoughtful.adj thoughtfully.adv
worry.n/v worrying/worried.adj worryingly.adv
solve.v solvency.n solvent.adj
threat.n threaten.v threatened.adj threateningly.adv
cheap.adj cheapen.v cheaply.adv cheapness.n
save.v/n saved.adj
strong.adj/adv strongly.adv strengthen.v