Source
Part of speech: verb
Definition: to obtain or procure; used especially of a business resource
Part of speech: noun
Definition: The person, place or thing from which something (information, goods, etc.) comes or is acquired. Spring; fountainhead; wellhead; any collection of water on or under the surface of the ground in which a stream originates. A reporter's informant. Source code.
Example sentence: The secret source of humor is not joy but sorrow; there is no humor in Heaven.
Reservoir
Part of speech: noun
Definition: A place where anything is kept in store; especially, a place where water is collected and kept for use when wanted, as to supply a fountain, a canal, or a city by means of aqueducts.A small intercellular space, often containing resin, essential oil, or some other secreted matter.A supply or source of something.
Example sentence: Music is a reservoir... of sounds.