Is “Syntagm” a Scrabble word?

1.A constituent segment within a text, such as a word or a phrase that forms a syntactic unit.

“The syntagma “the God of peace” (in Greek ὁ Θεὸς τῆς εἰρήνης) occurs in all undisputed Pauline letters.”

2.An arrangement of units that together bears a meaning.

“To combine a sequence of shots into a larger syntagma, there has to be a connection between the successive shots.”

3.(history) A Macedonian phalanx fighting formation consisting of 256 men with long spears (sarissae).

“The men forming the syntagma were arranged in a square of sixteen files of sixteen.”