Is it possible to construct a search for Greek lemmas that occur, say, less than 10 times in a particular NT book or passage?
Concordance Tool can count Greek lemmas in a particular NT book or passage. Another option is Reader's Edition using an Interlinear Bible.
Caveat: Logos 9.11 Release Candidate 1 has a Bug => Bug: 9.11 RC 1 Concordance Count Refine does nothing
Work around is sorting Concordance by Count followed by scrolling to desired count range.
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Since you asked about a particular NT book, notice the screen shot below that shows how you can choose a particular book.
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