usage in combination

use together, use both at the same time

two things [small or without a counter category]

safety; security

A substance with mystical properties, especially one that has an effect on the body, health, or lifespan.

safe; secure

A medicine or drug.

(slang) A medicine or drug, especially a narcotic or other recreational drug.

medicine

(idiomatic) as alike as two peas in a pod, very similar (often of family members)