What's the difference between moonseed and moonstruck?

Moonseed

Definition:

(n.) A climbing plant of the genus Menispermum; -- so called from the crescentlike form of the seeds.

Example Sentences:

Definition:

(a.) Mentally affected or deranged by the supposed influence of the moon; lunatic.
(a.) Produced by the supposed influence of the moon.
(a.) Made sick by the supposed influence of the moon, as a human being; made unsuitable for food, as fishes, by such supposed influence.

Example Sentences:

(1) In 1987, Norman Jewison told him to quit trying to play Ronny, in Moonstruck , with art house surrealism.
(2) "I really didn't want to make that," he says of Moonstruck.
(3) In the 80s, Cher's acting career was big news: she carved a niche as a tough mother with a heart in Face and Mermaids, and won an Oscar in 1988 for the quick-witted Moonstruck, in which she played a no-nonsense New Yorker falling in love over opera.
(4) That glorious slap Cher gives Nicolas Cage in Moonstruck before yelling “Snap out of it”?
(5) Launching her campaign with a very unBloombergian five-borough walking tour and a gauzy YouTube video , shot 1950s-style at the counter of the Moonstruck Diner, the presumptive favorite struck a populist tone.