Cases of word usage

1) (an example of) the condition when events happen at the same time as if this had been arranged (coincidence)

2) to be sorry about having done, wish one had not done, (something bad) (repent)

3) having had too little food (underfed)

4) not having had the educational and social advantages enjoyed by more fortunate people (underprivileged)

5) of, from, in, the west part of a country, continent, the world etc; a film, story etc dealing with life in the west part of the USA during the period when Europeans had to settle there (western)