The tag alias #56953 fruitztart -> fruitz has been approved.

Reason: Same artist.

fruitz: 168 posts tagged. (edit: artist entry for fruitz at https://e621.net/artists/3904 )
fruitztart: 10 posts tagged (edit: NO artist entry for fruitztart )
(edit: nine tagged with BOTH)

(edit: short-version: suggesting alias TO fruitz because username fruitz at FA (and kinda at pixiv).
And artist name on art is mostly "Fruitz".
Twitter usernames probably chosen because https://twitter.com/Fruitz was started in "March 2009" 3months before twitter @FruitzTart and seven YEARS before twitter @FruitzJam )

https://twitter.com/FruitzTart 's twitter profile includes "... http://pixiv.me/fruitz ✨ English: @FruitzJam ..."

(pixiv.me/fruitz redirects to https://www.pixiv.net/en/users/314037 aka pixiv/314037 )

https://twitter.com/FruitzJam profile ends with "...🍎 日本語: @FruitzTart 🍇 中文: http://plurk.com/FruitzCake " and "furaffinity.net/user/fruitz/ ".
translation is (Chinese-to-English): "...🍎 Japanese: @FruitzTart 🍇 Chinese: http://plurk.com/FruitzCake"
(ie. their Japanese Twitter is @FruitzTart and apparently their Plurk is Chinese-language)

FurAffinity "Submissions: 102"
https://twitter.com/FruitzTart/media with "1,029 Photos & videos"
https://twitter.com/FruitzJam/media with "550 Photos & videos"
(in other words, less art at their FurAffinity ... presumably because Japanese seems to be their main language)

***

(starting with fruitztart posts since small number ... starting simple)

1) post #3216072 , tagged with both artist tags fruitz and fruitztart
"Fruitz" written on art, near top-left corner.
(twitter source : https://twitter.com/FruitzJam/status/1388335744259866626 )

2) post #3216064 , tagged with both artist tags fruitz and fruitztart
"Fruitz" written on art, near left-side.
(twitter source : https://twitter.com/FruitzJam/status/1388314140213760004 )

3) (#six_fanarts_challenge) post #3203216 , tagged with one artist tag fruitztart
(twitter source : https://twitter.com/FruitzTart/status/1251334635038158848 )

4) ("Blam") post #2942353 , tagged with both artist tags fruitz and fruitztart
"Fruitz" written on art, near right-side (above tail tip).
(twitter source : https://twitter.com/FruitzTart/status/1440144668952432656

5) post #2760217 , tagged with both artist tags fruitz and fruitztart
"Fruitz" written on art, near left-side.
(twitter source https://twitter.com/FruitzTart/status/1398505445350948867 )

6) post #2560887 , tagged with both artist tags fruitz and fruitztart
"Fruitz" printed on art, top-left corner.
twitter source: https://twitter.com/FruitzTart/status/1014363834897879042

7) post #2240431 , tagged with both artist tags fruitz and fruitztart
(don't see artist name on it)
pixiv source: https://www.pixiv.net/en/artworks/77086236 (in pixiv/314037 gallery)
FA source: https://www.furaffinity.net/view/33259866/ (FA username Fruitz)
(variant at https://twitter.com/FruitzTart/status/1181055332409323520 )
(English cover version at https://twitter.com/FruitzJam/status/1182873922515144705 )

8) post #2240430 , tagged with both artist tags fruitz and fruitztart.
(don't see artist name on it)
pixiv source: https://www.pixiv.net/en/artworks/65599932 (in pixiv/314037 gallery)

9) post #1980710 , tagged with both artist tags fruitz and fruitztart.
"FruitzTart" printed on art, bottom-right corner.
twitter source: https://twitter.com/FruitzTart/status/1168416738217811968 (tweet date Sept 1, 2019)

10) post #1329791 , tagged with both artist tags fruitz and fruitztart.
(don't see artist name on it)
twitter source: https://twitter.com/FruitzTart/status/907819340547969024 (with FruitzTart printed on it)
pixiv source: https://www.pixiv.net/en/artworks/64950382 (in pixiv/314037 gallery)

probably enough?

EDIT: The tag alias fruitztart -> fruitz (forum #330651) has been approved by @bitWolfy.