Sank is the past tense of sink, while sunk is the past participle used with helping verbs like has, have, ...

Weather = climate or outdoor conditions; whether = choice between options or doubt. Many learners mix these two words because ...

Vain refers to pride or something useless, while vein refers to blood vessels or lines in materials. Many people confuse ...

“Who” is used for people, while “whose” shows possession or ownership.  Many learners mix these two words because they sound ...

Elicit means to draw out or bring forth a response, while illicit means illegal or forbidden by law. Many writers ...

Invoke and evoke are different words with different meanings, even though they look and sound similar. Many writers confuse them ...

Correlation or causation? Correlation means two things move together, while causation means one thing directly causes the other.  Many people ...

“Need” means something necessary, while “want” means something desired but not essential.  Many people search for need or want because ...

Affect is usually a verb meaning to influence something. Effect is usually a noun meaning a result or outcome. Many ...