If you're talking about specific species... Adder or Cobra.
ophidian
A six letter word for 'snake' is python.
Eight letter word is "response"
Landlord is an eight letter word for innkeeper.
A three letter snake is an asp.
An eight letter word with x as a second letter is exciting.
'Moisture' is an eight-letter word meaning wetness.
An eight letter word for wealthy is affluent.
There are no eight-letter palindromes in English.
A constricting snake is a boa (boa constrictor).
Hisses may be the word.
Asp
Asp