• zcid rain,
• scid rain,
• wcid rain,
• qcid rain,
• axid rain,
• avid rain,
• afid rain,
• adid rain,
• acud rain,
• acjd rain,
• ackd rain,
• acod rain,
• ac9d rain,
• ac8d rain,
• acis rain,
• acix rain,
• acic rain,
• acif rain,
• acir rain,
• acie rain

The adjective form of the term "acid rain" is "acidic".

The plural of the "acid rain" can be the "acid rains".

The singular of the "acid rain" can be the "acid rain".