The Dutch word for brother is
broer

Dutch Definition

brother
1. broer, broeder

broer	©
1. n-m. (topics, Family members) brother (male sibling)
Mijn broer heeft vaak ruzie met zijn klasgenoten. - My brother often gets into fights with his classmates.
2. n-m. (slang) bro
Hey broer, hoe heb jij opeens geld voor een nieuwe waggie? - Hey bro, how come you suddenly got money for a new ride?

broeder
1. n-m. (formal, dated) brother, male sibling
2. n-m. friar, member -especially non-priest- of certain ecclesiastical (notably Catholic clerical) groups
3. n-m. member of a brotherhood, fraternity, order etc.; brother (fictive male kin member)
4. n-m. (slightly, dated) male medical nurse
5. n-m. colleague, especially if member of a corporation or other profession-related organisation
6. n-m. fellow faithful, especially in certain sects, such as the Hussite Moravian Brothers
7. n-m. a certain bread-like dish
8. n-m. brooder
De steenuil is geen verstoringsgevoelige broeder, dus kunnen we de eierencontrole zonder risico uitvoeren. - The little owl is not a disturbance-sensitive brooder, so we can carry out the egg c