- 直接【ちょくせつ】 - direct, immediate, personal, firsthand 
- 接触【せっしょく】 - touch, contact, touching 
- 接近【せっきん】 - getting closer, drawing nearer, approaching, being not much different, being near (age, skill, etc.), becoming close (i.e. friendly), becoming intimate 
- 面接【めんせつ】 - interview (e.g. for a job) 
- 接続【せつぞく】 - connection, attachment, union, join, joint, link, changing trains, conjunction 
- 密接【みっせつ】 - close (relationship, connection, etc.), intimate, near, being in close proximity, being adjacent 
- 接する【せっする】 - to touch, to come in contact with, to border on, to adjoin, to be adjacent, to be close, to receive (e.g. visitor), to attend to, to serve, to take care of, to look after, to act towards, to deal with, to see, to receive (news), to get, to hear, to encounter, to come across, to be tangent to, to make touch, to bring into contact with, to bring adjacent to, to bring close, to connect 
- 接待【せったい】 - entertainment (of guests; esp. in the corporate world), treating (to food and drinks), wining and dining 
- 間接【かんせつ】 - indirection, indirectness 
- 応接【おうせつ】 - reception (e.g. of visitors), dealing with 
- 接戦【せっせん】 - close contest, close match, close game, close race, close combat 
- 接点【せってん】 - tangent point, point of contact, contact (electrical, etc.), point of agreement, common ground, interaction 
- 予防接種【よぼうせっしゅ】 - vaccination, inoculation, immunization, immunisation 
- 隣接【りんせつ】 - adjacency, contiguity, being adjoined 
- 間接的【かんせつてき】 - indirect 
- 間接税【かんせつぜい】 - indirect tax 
- 接種【せっしゅ】 - inoculation, vaccination 
- 直接的【ちょくせつてき】 - direct 
- 直接選挙【ちょくせつせんきょ】 - direct election 
- 接着【せっちゃく】 - adhesion, glueing, gluing, bonding, binding, adhering, fastening