1. "Dad" is the English word for "爸爸". It is a common term for father in English-speaking countries. Phrases like "the spy dad" from the movie "American Dad" illustrate the use of this word in contexts beyond biological parenthood.
2. "Father" is another word for dad, commonly used in formal or religious contexts. It can also refer to one's father-in-law or mother-in-law when addressing family members from the other side of the marriage. "Father" is a countable noun that is often treated as a proper noun when referring to family members.
3. "Daddy" is a term of endearment for a father, often used by children. It can also be used to describe a man who is financially generous towards a young woman, sometimes with negative connotations. The plural form "daddies" is used when referring to multiple fathers or father figures.
4. "Papa" is a child's word for "爸爸" and is common in many languages. It is a simple and affectionate way to address a father.
5. "Dada" is not an English word for "爸爸", but rather a reference to the art movement called Dadaism. It is important not to confuse this with the word for father in English.
