Duads

4 clues
Pairs
Couples
Twosomes
Groups of two
Similar answers:
Abduce
Abducktion
Abduct
Abducted
Abductee
Abductees
Abducting
Abduction
Abductor
Abductormuscles
Abducts
Abducttape
Abdul
Abduljabbar
Abdullah
Abduls
Academyads
Acads
Acceptedconduct
Acceptedusage