You can suggest a new alias, but they must be approved by an administrator before they are activated.
An example of how to use this: (Neon_Genesis_Evangelion is the tag and Evangelion is the alias. Evangelion -> Neon_Genesis_Evangelion)


Alias To Reason
junketsu_duellion (0) junketsu_duelion (134)
chu2 (0) chuunibyou_demo_koi_ga_shitai! (2122) Nickname of series.
gen'ei_wo_kakeru_taiyou (73) gen'ei_wo_kakeru_taiyo (0) same series
gen'ei_o_kakeru_taiyo (23) gen'ei_wo_kakeru_taiyou (73) Same series
watamote (0) watashi_ga_motenai_no_wa_dou_kangaetemo_omaera_ga_warui! (2625) abbrevation
tenshi_(angel_beats!) (1836) tachibana_kanade (434) Same Character.
no_panties (7159) nopan (110) same thing.
little_busters (734) little_busters! (4586)
danganronpa (6088) dangan_ronpa (2908) same thing
danganronpa_1 (1243) dangan_ronpa (2908) same thing
female_protagonist_(pokemon_xy) (0) serena_(pokemon) (1430) name revealed
male_protagonist_(pokemon_xy) (0) calem_(pokemon) (22) name revealed
kiniro_mosaic (2) kin'iro_mosaic (264) alternative romanization
kinmoza (0) kin'iro_mosaic (264) shorthand
kinmosa (0) kin'iro_mosaic (264) shorthand
sakuya_izayoi (31) izayoi_sakuya (30140) Same thing.
bare_feet (105) barefoot (90359) Same thing.
ace_attorney (95) gyakuten_saiban (1412) English name of the series
mai_hime (323) my-hime (724) Same series, one tag is a more literal translation of the title.
mai-hime (164) my-hime (724) Same title, different transliteration
mai-otome (53) my-otome (647)
shuffle (549) shuffle! (434) Same copyright, exclamation point alternative title spelling.
s-cry-ed (26) scryed (165) Same series, hyphenation alternative spelling.
kazuma_(s-cry-ed) (16) kazuma_(scryed) (65) Same character listed under alternative series name.
swimsuits (2246) swimsuit (156476) plural variant.
[email protected] (493) idolmaster (96982) Stylized series name
kimikiss (129) kimi_kiss (592) Same series
vl (30) francisco_valle (25) Same artist, different name.
megane (1648) glasses (140560) Same thing.
yazawa_niko (1) yazawa_nico (5538) another way to write it
real_xxiii27s_dark_skinned_girl (0) rafaela_(real_xxiii) (0) Her name was revealed in a recent doujin written and illustrated by Real XXIII.
m32 (14) milkor_mgl (23) M32 is the U.S. name for this weapon.
robot_joints (2065) doll_joints (2837) Very similar components
aenobas (693) hammer_(sunset_beach) (4248) Same artist.
shikieiki_yamaxanadu (3525) shiki_eiki (1944) same character
sr-25 (11) m110 (5) Official military designation.
m240_bravo (3) fn_mag (12) Technical name for weapon.
m240 (8) fn_mag (12) Ditto.
m249 (93) fn_minimi (20) Same.
za_warudo (56) the_world (389) ZA WARUDO is just the memetic/phoenetic version of Jojo's The World
jojo's_bizarre_adventure (303) jojo_no_kimyou_na_bouken (27996) JoJo's Bizarre Adventure is the official translation of the title.
genjou_sanzou (22) genjyo_sanzo (11) the mangaka's preferred transliteration of the character name
aoki_hagane_no_arpeggio (1516) arpeggio_of_blue_steel (144) English / American version of title
toosaka_rin (3958) tohsaka_rin (5950) alternate and more popular spelling
touhou_15_demo_character_(temporary) (0) seiran (6) Name revealed here: http://i.4cdn.org/jp/1431226987449.jpg
cpu_(artist) (62) cpu_(hexivision) (93) Synonymous tags.
tailred (91) tail_red (108) same thing
atsu_toushirou (124) atsushi_toushirou (268) The character's name has been changed.
doutanuki_masakuni (64) doudanuki_masakuni (245) "Doudanuki" is the official spelling.
trap (13432) otoko_no_ko (4170) "Trap" is considered an offensive term nowadays.