✅ Friendship refers to a friendly relationship (This necklace is a symbol of our friendship).

✅ Amity refers to friendship and peaceful harmony (There had been a long history of amity between the two nations).

✅ Friendship emphasizes the intimacy and closeness of a bond between people or groups of people (I treasure our friendship), while amity emphasizes a peaceful and warm relationship (It's important to work towards amity).

✅ Amity is a more formal word than friendship.

✅ Energetic describes someone or something that displays an abundance of energy (an energetic performance; an energetic dog).

✅ Vigorous describes someone or something that displays a level of energy that suggests health (She was vigorous despite her age).

✅ Energetic and vigorous have similar, but not identical, meanings.

✅ Vigorous tends to suggest a consistent trait, whereas being energetic can change day to day or even within the same day.

✅ 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.