According to Psychejam's definition of Anankastic Personality Disorder, it's

A void chaos
N ever spontaneous
A nxious
N ever break rules
K now everything - in details
A rchetypal perfectionists
S pend thriftily
T ake time over decisions
I nhibited emotionally
C heck things repeatedly

Is this really a disorder or a description of 50% of the population? lol.