This word belongs in Frequency Band 4. Band 4 contains words which occur between 0.1 and 1.0 times per million words in typical modern English usage. Such words are marked by much greater specificity and a wider range of register, regionality, and subject domain than those found in bands 8-5. However, most words remain recognizable to English-speakers, and are likely be used unproblematically in fiction or journalism. Examples include overhang, life support, register, rewrite, nutshell, candlestick, rodeo, embouchure, insectivore (nouns)...

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