Anomaly
deviation beyond what is regarded as normal
magnetic anomaly
disease
Incidental imaging finding
gravity anomaly
cosmic string
flyby anomaly
pathological
faster-than-light neutrino anomaly
polarity reversal
Arctic dipole anomaly
mathematical coincidence
defect
transgression
Baltic Sea anomaly
Arcuate foramen
dumb law
Pioneer anomaly
Arithmetic underflow
arithmetic overflow
four-leaf clover
supernumerary phantom limb
density anomaly