✅ A quack is a person who pretends to know things they don’t know or have skills they don’t have. Quack is particularly used in medicine, although it can be used in other areas too (Social media is full of quacks professing to be experts).

✅ A charlatan is someone who tricks or defrauds people by pretending to have knowledge or certain skills (I was conned by a charlatan).

✅ Charlatan and quack essentially refers to someone who scams others by pretending to be something they’re not. Charlatan is more general, whereas quack often refers to someone perceived as pretending to be a medical professional.

✅ Typically means "usually," referring to something that is characteristic of a given entity (Typically, werewolves transform on the full moon).

✅ Generally means "ordinarily," referring to something that applies in a general way (Vampires are generally thirsty for blood, but some just drink coffee).

✅ Generally and typically can often be used interchangeably, but generally suggests something that is normal or common (Generally, we eat lunch at 11).

✅ Typically suggests something that is expected due to the characteristics of a thing or group (Americans are typically very friendly).

✅ Confine means to limit or restrict (I confined myself to only three Halloween decorations per room).

✅ Constrain means to restrain, limit, or repress (I felt constrained by the budget).

✅ Confine means to purposely restrict something, especially in order to focus or to do something well (I confined the scope of my essay so that I could explore more nuances).

✅ Constrain means to restrict the growth of something or limit it (The plant was constrained by the size of the pot).