Words to Describe unexplained

Things unexplained often describes ("unexplained ________")

• bleeding
• complaints
• disappearance
• pain
• gain
• episodes
• syncope
• bruises
• delays
• infertility
• cause
• delay
• differences
• manner
• injuries
• elevations
• failure
• elevation
• dyspnea
• absence
• variation
• variance
• way
• discrepancy
• illnesses
• portion
• difficulties
• mystery
• diarrhea
• cough
• origin
• gap
• disease
• feature
• difference
• illness
• arousal
• variations
• increase
• death
• disappearances
• discrepancies
• hematuria
• losses
• vomiting
• laws
• rise
• residual
• change
• pyrexia
• accidents
• changes
• fractures
• residue
• circumstances
• phenomenon
• fact
• jaundice
• hypotension
• fever
• deaths
• lymphadenopathy
• deterioration
• nausea
• attacks
• presence
• events
• noises
• gaps
• causes
• reason
• loss
• fatigue
• absences
• mysteries
• tachycardia
• syndrome
• reasons
• fevers
• symptoms
• variability
• hypertension
• weakness
• facts
• phenomena
• residuals
• event
• anemia
• appearance