What's the difference between a ghost and a spirit?

[TonyChanYT]

English Standard Version, Matthew 14:

26 when the disciples saw him walking on the sea, they were terrified, and said, “It is a ghost!” and they cried out in fear.

a ghost
Φάντασμά (Phantasma)
Strong's Greek 5326

BDAG Φάντασμά:

apparition, esp. ghost

Luke 24:

39 See my hands and my feet, that it is I myself. Touch me, and see. For a spirit does not have flesh and bones as you see that I have.”

a spirit
πνεῦμα (pneuma)
Strong's Greek 4151: Wind, breath, spirit.

What is the difference between Φάντασμά-ghost and πνεῦμα-spirit?

Φάντασμά seems to be more illusionary, while πνεῦμα sounds more spiritual.

Can a Φάντασμά possess a person and make them do things?

In the usual biblical usages of the word, I don't think so.