One is birdwatcher.
No, it is not. A compound noun is a combination of a noun and another word, whether it be a noun (e.g. football), a verb (e.g. breakwater), an adjective (e.g. blackboard), or a preposition (e.g. underworld).
Watcher In Chinese LOL
The Watcher in the Woods was created on 1980-10-17.
errr... it's actually watcher
Watcher is not a verb and does not have a past tense.
Watcher of the Skies was created in 1972.
The Watcher was released on 09/08/2000.
The Production Budget for The Watcher was $33,000,000.
Sky-Watcher was created in 1988.
The identity of the Watcher is unknown.
The duration of The Watcher in the Woods is 1.4 hours.
The duration of The Watcher - film - is 1.62 hours.