Function and Head ache

Function noun - A social gathering.

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

Nearby Words: functional, functioning, functioned, functionary, functionality

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

Function and head ache are semantically related in job or chore topic. Sometimes you can use "Function" instead a noun phrase "Head ache".