shirami シラミ

Translation

shirami means "Lice" in English.

shirami is normally written with katakana, as シラミ.
shirami written with hiragana is しらみ.

shirami written with kanji is 虱.
This word contains non-jouyou kanji 常用漢字.

shirami may also be written as 蝨.

Beware: some kanji that are difficult to handwrite are easy to type on the computer, which may skew the usage statistics.