They both mean chopsticks. Hashi simply means 'chopsticks' and waribashi means wooden/bamboo chopsticks. So, one word is a scpecific kind, and the other simply means all types, just the thing in general.
If you look up 'chopsticks' in Wikipedia, it has a good explanation.
Shō Hashi died in 1439.
Takaya Hashi is 175 cm.
Shō Hashi was born in 1371.
Aden Hashi Farah died in 2008.
Omar Hashi Aden died in 2009.
Takayo Hashi was born on 1977-10-02.
Makoto Hashi was born on 1977-05-10.
Takaya Hashi's birth name is Takaya Kato.
They are chopdicks
Hoshizora e Kakaru Hashi happened in 2010.
Asahi no Ataru Hashi was created on 1999-02-03.
Takaya Hashi was born on September 8, 1952, in Tokyo, Japan.