ambiguous
care
change
changeable
condition
emergency
erratic
fickle
health
hospital
ill
illness
illustration
insecure
instability
irrational
label
not
problem
risk
risky
rubber
secure
sensitive
sick
sickness
sign
stable
stamp
steadiness
steady
sticker
surgery
surgical
symbol
trouble
uncertain
uncertainty
unpredictable
unsettles
unstable
unsteady
volatile
warning
weak
white
working