Pillow
noun, suffix
The kanji and the word are exactly the same. That means they share meanings as well.
The reading is the same as the one you learned with the kanji, huzzah!
新しい枕に変えたら、よく眠れるようになりました。
After switching to a new pillow, I've been sleeping much better.
私は枕にはちょっとしたこだわりがあるんです。
I have a bit of a preference when it comes to pillows.
結局夫のために高い枕を買うはめになりました。
I ended up buying an expensive pillow for my husband.