枕元(まくらもと)

beside the pillow; bedside

枕(まくら)カバー

pillowcase

枕木(まくらぎ)

railroad tie; sleeper

枕投(まくらな)げ

pillow fight

枕詞(まくらことば)

pillow word; fixed epithet

枕辺(まくらべ)

beside the pillow; bedside

枕探(まくらさが)し

stealing from a sleeping person

枕営業(まくらえいぎょう)

using sexual relations for business or career advancement

枕元(まくらもと)に本(ほん)を置(お)いて寝(ね)た。

I put a book by my pillow and went to sleep.

枕(まくら)カバーを洗濯(せんたく)した。

I washed the pillowcase.