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
tea_gardner (2478) mazaki_anzu (983) same character
mazaki_anzu (983) tea_gardner (2478) Same character. English name preferred.
reverse_newhalf (0) cuntboy (39832) Gelbooru trying to be difficult.
zero_suit_fox (186) zero_suit (12925) We don't need characters and clothing in the same tag.
newhalf (1642) dickgirl (171658) Same thing.
dbz (102) dragon_ball_z (61739) Series alias
big_balls (382712) big_testicles (25403) same thing
large_balls (29673) large_testicles (23658) same thing
huge_balls (205154) huge_testicles (34034) same thing
original_character (335719) fan_character (119809) Same thing pretty much.
fan_character (119809) original_character (335719) Pretty much the same thing.
herm (45792) futanari (766790) Same thing.
road_to_ninja (3) naruto:_road_to_ninja (928) Same subject
nipple_ring (11363) nipple_rings (12487) same thing
anal_rape (3406) rape (289408) Unnecessary. "anal_sex rape" works fine.
ass_rape (2) rape (289408) Unnecessary. "anal_sex rape" works fine.
consensual_tentacle_sex (629) tentacle_sex (52639) The "consensual" part is unnecessary.
tentacle_rape (23208) tentacle_sex (52639) "tentacle_sex rape" would work better than "tentacle_rape".
braless (3542) no_bra (257715) same tag
tie-bra (22) front-tie_top (42678) same tag
cum_in_pussy (600560) cum_inside (843301) same tag
cum_inside (843301) cum_in_pussy (600560) same tag
therealshadman (4) shadman (2948) Same artist
garterbelt (398) garter_belt (70789) same tag
pocket_pussy (194) fleshlight (2813) same thing (synonymous)
saint_patrick's_day (29) st._patrick's_day (690) Same search
straddling (93881) cowgirl_position (262920) Pretty much the same position.
bound (265803) bondage (395535) Same search. "Bondage" is used more.
pinkamena_(mlp) (2780) pinkamena (4) "(mlp)" is an unnecessary addon from e621.
smiling (157092) smile (4564517) same thing
dressed (1829) clothed (1306202) Same thing
absurdres (1951055) high_resolution (185374) practically same thing
female/female (96588) yuri (468225) Same thing. "Yuri" is used much more and is easier to type.
male/male (510171) yaoi (512504) Same thing. "Yaoi" is used much more and is easier to type.
male/female (619550) straight (914575) Same thing. "Straight" is used more.
sonicboom53 (0) argento (1459) Same artist
ben10 (28) ben_10 (21613) punctuation
pokephilia (53521) poképhilia (10946) misspelling
female_on_futa (6659) futa_with_female (31324) =
final_fantasy_xv (5252) final_fantasy_versus_xiii (28) Renamed
excellia_(coc) (81) excellia_(corruption_of_champions) (478) Same character
kin_tsuchi (335) tsuchi_kin (10) Same character, Eastern name order for a Japanese character
scifi (2147) sci-fi (5275) the same
dmc (28) dmc:_devil_may_cry (446) Abbreviated title.
dynasty_warriors (3128) sangoku_musou (89) Same game. English title.
colo (561) nagrolaz (2) same artist
spazkid (781) spazkidin3d (0) same artist
pumpkinsinclair (3103) jesus_avalos (6) same artist
danmachi (195) dungeon_ni_deai_wo_motomeru_no_wa_machigatteiru_darou_ka (11032) Short name
blush (5276522) blush (5276522) Same thing