Pronunciation: [ɹˈi͡əɹ ˈɛnd] (IPA) 
The word "rear end" refers to the back part of something, especially a vehicle. Its spelling follows a sequence of "r", "e", "a", and "r" for "rear" and "e", "n", and "d" for "end". The IPA phonetic transcription of "rear end" is /rɪər end/, where the first syllable "rɪər" is pronounced with the sound "ɪə" like in the word "near", and the second syllable "end" is pronounced with the short "e" sound as in "bed".
Rear end is a compound noun often used to refer to the posterior or the backside of a person or animal. It specifically pertains to the final part or the hindmost region of the body. In anatomical terms, the rear end is constituted by the muscles, organs, and bones found in the lower part of the torso, including the buttocks and the anus.
In a colloquial sense, rear end can also describe a collision or accident involving the back of a vehicle. In such context, rear-ending relates to the act of one vehicle colliding into the back of another. It typically occurs due to a lack of sufficient braking time or distance, ultimately causing the front of one vehicle to make forceful contact with the rear end of another. The term rear end collision or rear-ended is widely used to describe this type of accident.
Furthermore, the term rear end can also be used figuratively to describe being in last place or having a position of inferiority. In this sense, it relates to being at the back or the bottom rank in a hierarchy or competition, often as a result of poor performance or being overtaken by other participants or competitors.
Overall, rear end can refer to both the anatomy of the lower back or buttocks area, a type of vehicular collision involving the back of a vehicle, or the placement of someone or something in a position of disadvantage or inferiority.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "rear end" is a compound noun that combines two separate words: "rear" and "end".
The term "rear" typically refers to the back or hind part of something, while "end" generally means the final part or extremity of an object.
As for the specific etymology of each word, "rear" comes from the Middle English word "reren", which means "to raise" or "to rise up". It can be traced back to the Old English word "rǣran".
On the other hand, "end" is derived from the Old English word "endian" or "endian", which means "to finish" or "to conclude". It has Indo-European roots and is related to words like German "Ende" and Latin "finis".
