should vs stifle

To make a statement of what ought to be true, as opposed to reality. 

Will be likely to (become or do something); indicates a degree of possibility or probability that the stated thing will happen or be true in the future. 

Indicates that something is expected to have happened or to be the case now. 

Used to express a conditional outcome. 

With verbs such as 'see' or 'hear', usually in the second person, used to point out something remarkable in either a good or bad way. 

Used to impart a tentative, conjectural or polite nuance. 

Used to express what the speaker would do in another person's situation, as a means of giving a suggestion or recommendation. 

Simple past tense of shall. 

In questions, asks what is correct, proper, desirable, etc. 

Used to issue an instruction (traditionally seen as carrying less force of authority than alternatives such as 'shall' or 'must'). 

Used to give advice or opinion that an action is, or would have been, beneficial or desirable. 

Used to form a variant of the present subjunctive, expressing a state or action that is hypothetical, potential, mandated, etc. 

To prevent (something) from being revealed; to conceal, to hide, to suppress. 

To prevent (a breath, cough, or cry, or the voice, etc.) from being released from the throat. 

To make (something) unable to be heard by blocking it with some medium. 

To cause (someone) difficulty in breathing, or a choking or gagging feeling. 

To feel smothered; to find it difficult to breathe. 

To cause (a dog, horse, or other four-legged mammal) to dislocate or sprain its stifle joint. 

To die of suffocation. 

To keep in, hold back, or repress (something). 

To make (an animal or person) unconscious or cause (an animal or person) death by preventing breathing; to smother, to suffocate. 

To treat (a silkworm cocoon) with steam as part of the process of silk production.