As nouns the difference between rackie and backie
is that rackie is a parrel while backie is {{cx|colloquial|lang=en}} A ride on the back of a bicycle or motorbike.
rackie
English
Noun
(
en noun)
(nautical, in Scotland) A parrel
Anagrams
*
* backie
English
Noun
(
en noun)
A ride on the back of a bicycle or motorbike.
References
* Google Books: [https://www.google.co.uk/search?tbs=bks%3A1&tbo=1&q=%22a+backie%22+bike&btnG=Search+Books&gws_rd=ssl]