agitation
alarm
anxiety
apprehension
attention
background
banner
bother
care
challenge
concern
consideration
cover
deal
dilemma
discomfort
discuss
disquiet
distraction
distress word
disturb
disturbance
fear
focus
interest
involvement
issue
letter
matter
mindfulness
nervousness
oversight
preoccupation
problem
query
rack
regard
relate
scrutiny
stress
tension
tile
treat
trouble
unease
uneasiness
vigilance
worry