Concern and Head ache

Concern noun - A commercial or industrial activity or organization.

Head ache and concern are semantically related In some cases you can replace phrase "Head ache" with "Concern", this terms are similar.

Nearby Words: concerned, concerning, concernment

Head ache noun - Pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs.

Concern and head ache are semantically related in trouble topic. You can use "Concern" instead a noun phrase "Head ache", if it concerns topics such as anxiety, pain.