Four letter word...

No, not a $%^*&! kind of word. A four letter word is what we need for today's Brain Bender...

What one four letter word can be placed in the blanks below to make three different words?

_____ IVE
_____ ORED
_____ RAIN

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Okie doke. Like always, the answer will appear in the comments later. :)

Update: Today's winner is jvh from Showcase of a Shattered Mind! Rest... I'd like to get some too...