液 is one of the most commonly used Japanese kanji, and it also has a lot of special readings in addition to the standard onyomi and kunyomi readings.
ONYOMI 音読み
KUNYOMI 訓読み
エキ eki
Examples
その液はいやな臭いを発した。The liquor gave off a sickly odor.その液から溶剤を揮発させる。残るのは、香り成分と植物ワックスの塊。Vaporise the solvent from the liquid. What’s left is the perfume component and a lump of vegetable wax.プラモ作りは家でやってくださいよ。ラッカー液の臭い、充満してるじゃないですか。Please do your model building at home! The room’s full of the smell of lacquer.