Eclipses

6 clues
Dwarfs
Surpasses
Overshadows
Lunar events
Lunar and solar events
They may leave you in the dark
Similar answers:
Antiqueclique
Apocalypses
Apocalypsesnow
Apses
Apsestore
Baseclinic
Bicycleclip
Billstheclient
Blunareclipsesb
Captheclimax
Cartridgeclips
Copses
Corpses
Decline
Declineandf
Declined
Declinedinvites
Declineinstatus
Declines
Declinesanoffer