Flippers

6 clues
Diving gear
Seal quartet
Seal features
Snorkeler's wear
Pinball propellers
Snorkeler's footwear
Similar answers:
Ablepersonality
Adampersandal
Adoredsuperstar
Aflip
Afternoonpapers
Ahostofinnkeepers
Amimykeepersbrother
Ampersand
Ampersands
Ankaraperson
Anonymousperson
Antiperspirant
Antiperspirants
Apeckofpickledpeppers
Apers
Aperson
Apersoncantworry
Apersonsneezing
Apersonwhohates
Apersonwhomweknowwell