regimen
The first word that comes to mind is system. Alternatively, standard.
The word that rhymes with "creed" and means the opposite of follow is "lead".
Follow. Trail.
a regular pentagon has five sides. The word regular means equal
it means follow
(The word 'regular' means ordinary, normal, or uniform. One synonym can be 'default'.)The regular routine for the dry cleaning store was to open at 7 in the morning.He ordered a regular size burger.The holes in a Chinese Checkers board follow a regular pattern.
follow, stick to
The syllable sequ- is the root of the English language word 'sequence'. The Latin root means 'to follow' in English. One of its Latin language derivatives is the infinitive 'sequi', which also translates as 'to follow'.
To 'keep your word' means to stand by what you say, or to follow through and not backout
catalyst
Obey (Obeyed); Comply (Complied)