Synonyms for Fatigue crack:

• n.

  •object (noun)
  • fatigue crack.
  •Other relevant words: (noun)
  • crevice,
  • fissure,
  • cleft,
  • scissure,
  • crack.

Hyponym for Fatigue crack:

• n.

  • object
    crevice, fissure, cleft, scissure, crack.