専

セン

もっぱ.ら

十, 寸, 田

寸

specialty, exclusive, mainly, solely

専門(せんもん): speciality; specialty; subject of study; expert
専攻(せんこう): major subject; special study
専用(せんよう): (1) exclusive use; personal use; dedicated (2) private (e.g. network)
専修(せんしゅう): specialization; specialisation
専ら(もっぱら): wholly; solely; entirely; exclusively; devotedly; fixedly
専制(せんせい): despotism; autocracy