Preserve
Part of speech: noun
Definition: a sweet spread made of any of a variety of berries a nature preserve
Part of speech: verb
Definition: To protect; to keep; to maintain the condition of.
Example sentence: Politics ought to be the part-time profession of every citizen who would protect the rights and privileges of free people and who would preserve what is good and fruitful in our national heritage.
Keep
Part of speech: noun
Definition: Care, notice.The main tower of a castle or fortress, located within the castle walls.The food or money required to keep someone alive and healthy; one's support, maintenance.
Part of speech: verb
Definition: To maintain possession of.To maintain the condition of.To remain in, to be confined to.To wait for, keep watch for.To restrain.To continue.To remain edible or otherwise usable.To remain in a state.To act as wicket-keeper.to raise; to care for.
Example sentence: He is no fool who gives what he cannot keep to gain what he cannot lose.