What's the difference between rimer and versifier?

Rimer

Definition:

Example Sentences:

(1) While some data suggest a similar increase in pain thresholds for pregnant women, Goolkasian and Rimer have found, using signal detection procedures, that women are increasingly likely to report stimuli as painful during the last 2 weeks of pregnancy.
(2) The decisions, made by Lord Neuberger, the master of the rolls, Lord Justice Moses and Lord Justice Rimer, were the latest in a long legal battle over deaths in Iraq .
(3) But Lord Justice Laws, Lord Justice Rimer and Lord Justice Sullivan unanimously rejected the appeal, which was only concerned with statutory construction.
(4) A new machine which appears to offer for greater facilities is the O2 concentrator of Rimer-Birlec (Cardiff, Wales).

Definition:

(n.) One who versifies, or makes verses; as, not every versifier is a poet.
(n.) One who converts into verse; one who expresses in verse the ideas of another written in prose; as, Dr. Watts was a versifier of the Psalms.

Example Sentences:

(1) John Byrom, a lazy, self-indulgent 18th-century versifier, had three black hedgehogs on his coat of arms.
(2) It meant both that Jews might misread poems as anti-semitic and that anti-semites might versify their prejudices.