The plural is brothers.
Brothers is the plural form of brother.
Brother's is singular possessive. Brother is singular and brothers is plural.
The plural form of the noun brother is brothers.The plural possessive form is brothers'.Example: The brothers' business is really doing well.
The noun 'brother' is a singular noun.The plural noun is 'brothers'.
The word brother is a singular noun. The plural form would be brothers.
Possessive nouns (but not possessive pronouns) use apostrophes; therefore, "brother's" is possessive. "Brothers" is plural.
The noun 'brother' is a singular noun.The plural form is 'brothers'.
The plural of bràthair (brother) is bràithrean. (This would not be for the surname Brothers.)
The plural form is brothers-in-law.The plural possessive is brothers-in-law's.Example: Both of my brothers-in-law's careers are going very well.
The form brother is the singular noun.The plural form is brothers.
Step-brothers.
Yes, brothers is a plural noun. The singular form is brother.