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
lip_lick (0) licking_lips (42935) same thing
asmolteabear (6) artist (923)
licking_face (1588) face_lick (1430) same concept
anal_masturbation (17134) anal_insertion (48297) same?
hip_grab (5748) hands_on_another's_hips (738) same search
clothing_writing (57) clothes_writing (1570) same thing
pixel (1278) pixel_art (20324) Same thing
pixel_(artwork) (2431) pixel_art (20324) Same thing
saggy_balls (6509) saggy_testicles (14) same idea
hanging_balls (2659) hanging_testicles (9) same shit
after_oral (13778) after_fellatio (14387) same stuff;
shoulder_length_hair (7810) shoulder-length_hair (1) the "-" is correct use, but not very popular
medium_hair (85605) shoulder_length_hair (7810) same concept (similarity in use)
biting_lip (39660) biting_lip (39660) same tag; different order
lip_bite (620) biting_lip (39660) different phrasing, same thing
curry5 (23) kukkiisart (112) Same Artist
furry (644631) an_affront_to_god (0) Same thing
kurt_wagner (414) nightcrawler (680) Same person
shaxbert (210) ayvuir_blue (85) Same artist
maike_(pokemon) (0) may_(pokemon) (10661) German Version
hilma_cygnaeus (9) hilma_(overlord) (0) same character
getting_erect (2503) becoming_erect (1273) same meaning
nipple_mouth (580) breast_mouth (223) Same thing
mouth_nipples (131) breast_mouth (223) Same thing
pussy_mouth (198) mouth_vagina (1) Same thing (but pussy mouth is different from vagina mouth)
mimi_tachikawa (810) tachikawa_mimi (1) same character, with eastern name order
the_king_of_fighters (370) king_of_fighters (22698) Same series
smirking (5662) smirk (42185) Same meaning
belly_button (59981) navel (658739) same thing
shirt_lift (88375) shirt_up (17087) same results
top_lift (2978) shirt_up (17087) same results
redhixen (37) rexin (54) Same artist
breasts_cutout (123) breast_cutout (1089) same concept
flip_flops (2001) flip-flops (233) same thing; different syntax
swallowing_cum (4165) cum_swallowing (203) same thing
culumon (193) calumon (2) same digimon
calumon (2) culumon (193) same digimo
finger_sucking (577) finger_suck (110) same tag meaning
black_nail_polish (5250) black_nails (26888) similar meaning
bikini_aside (7023) panties_aside (59507) Same thing, but with a subtle difference.
below_view (1917) low-angle_view (37938) Same thing.
raysjunkdrawer (31) raydio (148) my 'actual' artist name is raydio, and that's what i'd prefer people looking for my name to refer to me as
ero_doll (82) kunaboto (1456) Same Artist. https://chan.sankakucomplex.com/tag_alias?name=kunaboto https://gelbooru.com/index.php?page=alias&s=list&search=kunaboto
ginger (14703) red_hair (400385) Same thing
oerba_yun_fang (1487) oerba_yun_fang_(ff_xxiii) (0) Same character
pon_(artist) (273) pon (55) The artist tag is not red, instead it just looks like a blue description tag.
wolfboy_kiba (0) wolfboykiba (0) Same person.Forget password and didn't sign up with email.
long_fingernails (11685) long_nails (7556) same things
armpit (13110) armpits (161935) Same thing
facepaint (8636) face_paint (2722) same tag minus _