Here are some words starting with “ac” that are commonly misspelled (Machine briefs included):

acerbic= A/SER/PW*IK
achievement= KHAEFMT
acknowledgement= NAOJT or NAOMT
acoustic= A/KOUFKT
acquaintance= QAINS
acquiescence= QAOEFS
acquire= QIR
acquitted= QI/-D
acrimonious= AK/MOEN/YUS
acrobat= AK/BA*T
across= KRAOS
acupressure= AK/PR*ERB
acupuncture= AUK
acrylic= A/KRIL/*IK