Comes in, displacing monarch, to find wooden characters (4)

I believe the answer is:

ents

'wooden characters' is the definition.
(tree-like creatures in The Lord of the Rings)

'comes in displacing monarch' is the wordplay.
'comes in' becomes 'enters' ('enter' can be a synonym of 'come in').
'displacing' indicates named letters should be taken away.
'monarch' becomes 'er' (abbreviation for Elizabeth Regina, British Queen).
'enters' with 'er' taken out is 'ENTS'.

'to find' is the link.

I've seen this clue in The Times.

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