Camp chair and Lawn chair

Camp chair noun - A light folding chair.

Lawn chair and camp chair are semantically related In some cases you can replace phrase "Lawn chair" with "Camp chair", this phrases are similar.

Lawn chair noun - Chair left outside for use on a lawn or in a garden.

Camp chair and lawn chair are semantically related in folding seat for outdoors topic. You can use "Camp chair" instead a noun phrase "Lawn chair".