いとも簡単に[itomokantanni] very easily
一了簡[ichiryoukan] at one's discretion
簡易[kani] simplicity
簡易化[kanika] simplification
簡潔[kanketsu] brevity

簡素[kanso] simplicity
簡素化[kansoka] simplification
簡体字[kantaiji] simplified Chinese character
簡短[kantan] simple
簡単に言うと[kantanniiuto] simply put

翰長[kanchou] Cabinet (Chief) Secretary
翰墨[kanboku] brush and ink
翰林[kanrin] literary circles
翰林院[kanrinin] academy
貴翰[kikan] your letter

書翰[shokan] letter
書翰箋[shokansen] letter paper
手翰[shukan] letter
宸翰[shinkan] Imperial letter
来翰[raikan] correspondence