Inform

13 clues
Tell
Advise
Notify
__ rat
Tip off
Apprise
Enlighten
Drop a dime
Keep abreast
Give the facts
Impart knowledge
Bring up to speed
Break the news to
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Abbienormal
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Abnormal
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Aciform
Actiniform
Actnormal
Actormickey
Actormostel
Addledanormallife
Adinfinitum
Advancedformula
Adverseform
Aeriform
Afterthestorm
Againfromthetop
Againstformalattire