Difficulty and Head ache

Difficulty noun - Something that is a cause for suffering or special effort especially in the attainment of a goal.

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

Nearby Word: difficult

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

Difficulty and head ache are semantically related in trouble topic. Sometimes you can use "Difficulty" instead a noun phrase "Head ache", if it concerns topics such as annoyance, pain, complicated situation, source of irritation.