ancillary /an-silˈə-ri or anˈsi-lə-ri/

1. Auxiliary
2. Supplementary
3. Subsidiary
4. Subordinate
5. (of computer equipment) additional in any way, not a necessary part of the computing process
6. Subserving
7. Ministering

An ancillary thing

• wallclimbers
• wallcovering
• wallcoverings
• wallcreeper
• wallcreepers
• wall cress
• walled
• walled garden
• walled gardens
• waller
• wallers
• wallet
• wallets
• walleye
• walleyed
• walleyed pike
• walleyed pikes
• walleyes
• wall-facing
• wallfish
• wallfishes
• wallflower
• wallflower brown
• wallflowers
• wall fruit