セツ ショウ 
つ.ぐ 
() touch () contact () adjoin
             
せっする (vs-s) (1) to come in contact with, to touch, to connect (with), (2) to attend (to), (3) to receive (visitors)
せっきん (n,vs) getting closer, drawing nearer, approaching
せっけん (n,vs) interview
せっしゅ (n,vs,adj-no) inoculation, vaccination
せっしょく (n,vs,adj-no) touch, contact
せっせん (n,vs,adj-no) close combat, close contest
せつぞく (n,vs) (1) connection, attachment, union, join, joint, link, (2) changing trains, (3) (abbr) conjunction
せったい (n,vs) (1) reception, welcome, serving (food), (2) wining and dining, business entertainment, corporate entertainment, entertaining politicians
せっちゃく (n,vs) fastening with glue
せってん (n) (1) (math) tangent point, point of contact, (2) contact (electrical, etc.), point of agreement, interaction, (3) (comp) single-bit IO point

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Etymologies: 中文字譜 : 説文解字