Noun
concern [pl. concerns]
worry [pl. worries]
anxiety [pl. anxieties]
tension {feelings & emotions}
apprehension [pl. apprehensions]
trouble [pl. troubles]
strain {feelings & emotions}
Adjektive
concerned {feelings & emotions}, [ more concerned ; most concerned ]
worried {feelings & emotions}, [ more worried ; most worried ]
disturbed {feelings & emotions}, [ more disturbed ; most disturbed ]
anxious {feelings & emotions}, [ more anxious ; most anxious ]
nervous [ more nervous ; most nervous]
restless {feelings & emotions}, [ more restless ; most restless ]