specter

Goblin is a related term of specter.

As an initialism goblin

is (british|rail transport|informal) line, a railway line in north london.

As a noun specter is

a ghostly apparition.

As nouns the difference between specter and meltdown

is that specter is a ghostly apparition while meltdown is severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping.

As nouns the difference between specter and spelter

is that specter is a ghostly apparition while spelter is zinc, often in blocks or ingot form.

As nouns the difference between taxonomy and specter

is that taxonomy is the science or the technique used to make a classification while specter is a ghostly apparition.