You don't.
Venus
Anatomy. A delicate membrane that encloses the spinal cord and brain.Zoology. Relating to or resembling spiders.
I don't think that it forms a single word. However, the longest words that can be formed are 'arachnoids' and 'carangoids'.
I have no idea how many legs a buttfly has. Butterflies have six legs.
How many legs do penguin have
there are 4784 legs
4
A centapead has 1,000 legs
It has six legs.
NO LEGS =0 legs by hakim algerie
ducks have 2 legs ducks have 2 legs