sencillez, simplicity

sencillo, -a, simple, frank

senda, byway

sendero, narrow path

sendita, diminutive of senda

sendos, -as, used in the pl., strictly, to each of a specified number, one each; more freely, many, several

seno, bosom

sensación, sensation

sensible, appreciative, sensible, sensitive

sentar, to fit, agree, set;
——se, to sit down