-yne
noun suffix
ˌīn
plural -s
: unsaturated straight-chain hydrocarbon characterized by the presence of one triple bond—in the system adopted by the International Union of Pure and Applied Chemistry to replace the ending -ine in this sense
hexyne
—distinguished from -ane and -ene 
Word History
Etymology
International Scientific Vocabulary alteration of -ine
- plectomyceteses
- plectomycetesses
- plectomycetous
- plectopherae
- plectopheras
- plectopter
- Plectoptera
- plectopteran
- plectopterans
- plectopterous
- plectorrhizae
- plectorrhizas
- plectospondyl
- Plectospondyli
- plectospondylous
- plectostele
- plectra
- plectranthi
- plectranthuses
- plectranthusses
- plectre
- plectres
- plectridia
- plectridial
- plectridium