さえ/にさえ/でさえ => Even N3
Not only, Not even
て下さいませんか => Please do A (polite) N5
Asking and Telling
を[境「さかい」]に => A is set as a border/limit N1
Degree/ Level/Amount
をくださいませんか => Please give me A (polite) N5
Asking and Telling
さて => So N2
Miscellaneous
[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
さ => Changes A into a noun N4
Sentence Endings
さ => Changes A into a noun N3
Sentence Endings
なさい => Do A (command) N4
Can, Should, Must
に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
でも[差「さ」]し[支「つか」]えない => It's OK if A, it doesn't matter if A N1
Need/Requirements
~てください => Please do ~ N5
Asking and Telling