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 (2329) mazaki_anzu (912) same character
mazaki_anzu (912) tea_gardner (2329) Same character. English name preferred.
reverse_newhalf (0) cuntboy (37218) Gelbooru trying to be difficult.
zero_suit_fox (185) zero_suit (12467) We don't need characters and clothing in the same tag.
newhalf (1213) dickgirl (160808) Same thing.
dbz (78) dragon_ball_z (55813) Series alias
big_balls (336308) big_testicles (23367) same thing
large_balls (26397) large_testicles (20028) same thing
huge_balls (179946) huge_testicles (31073) same thing
original_character (309489) fan_character (111402) Same thing pretty much.
fan_character (111402) original_character (309489) Pretty much the same thing.
herm (41754) futanari (697775) Same thing.
road_to_ninja (2) naruto:_road_to_ninja (809) Same subject
nipple_ring (9895) nipple_rings (11616) same thing
anal_rape (3182) rape (271328) Unnecessary. "anal_sex rape" works fine.
ass_rape (1) rape (271328) Unnecessary. "anal_sex rape" works fine.
consensual_tentacle_sex (629) tentacle_sex (47331) The "consensual" part is unnecessary.
tentacle_rape (21611) tentacle_sex (47331) "tentacle_sex rape" would work better than "tentacle_rape".
braless (2080) no_bra (242976) same tag
tie-bra (22) front-tie_top (40064) same tag
cum_in_pussy (545095) cum_inside (775538) same tag
cum_inside (775538) cum_in_pussy (545095) same tag
therealshadman (4) shadman (2911) Same artist
garterbelt (397) garter_belt (65216) same tag
pocket_pussy (173) fleshlight (2591) same thing (synonymous)
saint_patrick's_day (19) st._patrick's_day (643) Same search
straddling (81374) cowgirl_position (237544) Pretty much the same position.
bound (241698) bondage (371041) Same search. "Bondage" is used more.
pinkamena_(mlp) (2740) pinkamena (3) "(mlp)" is an unnecessary addon from e621.
smiling (141844) smile (4063033) same thing
dressed (1615) clothed (1194632) Same thing
absurdres (1610241) high_resolution (160084) practically same thing
female/female (84753) yuri (426851) Same thing. "Yuri" is used much more and is easier to type.
male/male (445787) yaoi (482515) Same thing. "Yaoi" is used much more and is easier to type.
male/female (540133) straight (876049) Same thing. "Straight" is used more.
sonicboom53 (0) argento (1438) Same artist
ben10 (6) ben_10 (18518) punctuation
pokephilia (49099) poképhilia (10944) misspelling
female_on_futa (6303) futa_with_female (27167) =
final_fantasy_xv (4965) final_fantasy_versus_xiii (28) Renamed
excellia_(coc) (81) excellia_(corruption_of_champions) (477) Same character
kin_tsuchi (332) tsuchi_kin (10) Same character, Eastern name order for a Japanese character
scifi (2095) sci-fi (5024) the same
dmc (27) dmc:_devil_may_cry (436) Abbreviated title.
dynasty_warriors (3084) sangoku_musou (89) Same game. English title.
colo (549) nagrolaz (2) same artist
spazkid (686) spazkidin3d (0) same artist
pumpkinsinclair (2996) jesus_avalos (6) same artist
danmachi (152) dungeon_ni_deai_wo_motomeru_no_wa_machigatteiru_darou_ka (10040) Short name
blush (4775940) blush (4775940) Same thing