Needbe

8 clues
If
Required
Necessary
(If) required
As required, with "if
If ___ (when necessary)
As required, after if
Should it be required, after "if

Similar answers:

Abandonee
Abandonees
Aboveandbeyond
Accruedbenefits
Adamsneedle
Afiendinneed
Ahaloneeds
Ainee
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Alienee
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Allyouneed
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