索 (Kanji for look up)

Onyomi

SAKU	Rob Halford gets out his phone book, looking up some SAC to teabag with.

I'll look up ten Moustaches, tied together with string.

検索(けんさく)	internet search ★★★☆☆ 検 (investigate) + 索 (look up) = 検索 (internet search)
索引(さくいん)	index ★☆☆☆☆ 索 (look up) + 引 (pull) = 索引 (index)

	Meaning	Hint	Radical
索	look up	TEN	十
策	take measures	BAMBOO	竹

You look up TEN ways to take measures against the BAMBOO growing in your lawn.