且(か)つ

moreover; and; both

且(か)つ又(また)

moreover; furthermore

且(か)つは

moreover; besides

且(か)つて

formerly; once

且(か)つも

and also; moreover

且(か)つ同時(どうじ)に

and at the same time

且(か)つ一方(いっぽう)で

while also

この薬(くすり)は安(やす)く、且(か)つ安全(あんぜん)な薬(くすり)です。

This medicine is inexpensive and safe.

この方法(ほうほう)は簡単(かんたん)で、且(か)つ有効(ゆうこう)な方法(ほうほう)です。

This method is simple and also effective.