Relationship - noun
productive - adj
measure - noun/verb
injury - noun
monotonus - adj
strained - adj
estimate - noun/verb
manage - verb
minor - noun/adj
prevent - verb
irritation - noun
survey - noun/verb/adj
continuous - noun/adj
concetrate - noun/verb
marriage - noun/adj
average - noun/verb/adj
difficulty - noun
common - noun/adj