If the no. four cylinder bore is scratched so the whole unit is scrap and will need to be replaced.
word
abacinate
abactor
abaculus
abaft
abampere
abarticular
abapical
abasement
abask
abatis
abasia
abattoir
abatjour
abature
abba
abeam
abbozzo
abbatial
abdominous
abditive
abducent
azymous
azure
azuline
azoth
azimuth
axinomancy
axiniform
shawn
axilla
avuncular
avizandum
avulse
avolitional
avicular
avionics
avital
avinosis
averruncator
avicide
averruncate
aveniform
avaunt
avalement
auxometer
aval
auxology
autotheism
auxesis
auxanometer
autotropic
aberdevine
abecedarian
abear
abecedism
abele
aberuncators abigail