Brothers can be referred to by many different words that evoke a sense of fraternity and kinship. One common synonym for brothers is siblings, which can include both brothers and sisters. Fraternal twins are brothers who are born at the same time but are not identical. Comrades is another synonym for brothers and can refer to a close-knit group of people who share a common bond or goal. Brethren is a more formal synonym for brothers that is often used in religious or spiritual contexts. Finally, brethren can also be used in the sense of a group of people with a shared profession or interest, such as members of a fraternal organization or sports team.