三日: three days, third day of the month

隠密, 陰密: Stealthy, covert, undercover.

益光: a male given name

光泰: a male given name / 光保: a male given name

光尊: a male given name / 光貴: a male given name

The three 密 (mitsu)s that should be avoided in order to avoid infection during the 2020 coronavirus pandemic, promoted by the Japanese government, translatable as "the three C's": 密(みっ)閉(ぺい) (mippei, “closed spaces”), 密(みっ)集(しゅう) (misshū, “crowded spaces”), 密(みっ)接(せつ) (missetsu, “close-contact settings”).

珊々, 珊珊: / 毿々, 毿毿: / 潸々, 潸潸: / 燦々, 燦燦, 粲々, 粲粲: brilliant, bright

三々, 三三:

(obsolete) The hentaigana syllable that is used to represent ku in old Japanese text.

secret