ghost

nouns

a mental representation of some haunting experience
"he looked like he had seen a ghost"; "it aroused specters from his past"
a writer who gives the credit of authorship to someone else
the visible disembodied soul of a dead person
is derived from
is a type of (narrower)
the immaterial part of a person; the actuating cause of an individual life
a suggestion of some quality
"there was a touch of sarcasm in his tone"; "he detected a ghost of a smile on her face"

verbs

move like a ghost
"The masked men ghosted across the moonlit yard"
is a type of (narrower)
change location; move, travel, or proceed, also metaphorically
"How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast"
haunt like a ghost; pursue
"Fear of illness haunts her"
write for someone else
"How many books have you ghostwritten so far?"