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 (42846) same thing
asmolteabear (6) artist (920)
licking_face (1582) face_lick (1426) same concept
anal_masturbation (17083) anal_insertion (48155) same?
hip_grab (5731) hands_on_another's_hips (735) same search
clothing_writing (57) clothes_writing (1568) same thing
pixel (1274) pixel_art (20264) Same thing
pixel_(artwork) (2418) pixel_art (20264) Same thing
saggy_balls (6449) saggy_testicles (14) same idea
hanging_balls (2646) hanging_testicles (9) same shit
after_oral (13720) after_fellatio (14320) same stuff;
shoulder_length_hair (7773) shoulder-length_hair (1) the "-" is correct use, but not very popular
medium_hair (85195) shoulder_length_hair (7773) same concept (similarity in use)
biting_lip (39549) biting_lip (39549) same tag; different order
lip_bite (620) biting_lip (39549) different phrasing, same thing
curry5 (23) kukkiisart (112) Same Artist
furry (643150) 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) (10650) German Version
hilma_cygnaeus (9) hilma_(overlord) (0) same character
getting_erect (2503) becoming_erect (1270) same meaning
nipple_mouth (580) breast_mouth (223) Same thing
mouth_nipples (130) breast_mouth (223) Same thing
pussy_mouth (198) mouth_vagina (0) Same thing (but pussy mouth is different from vagina mouth)
mimi_tachikawa (860) tachikawa_mimi (1) same character, with eastern name order
the_king_of_fighters (368) king_of_fighters (22665) Same series
smirking (5563) smirk (41975) Same meaning
belly_button (59655) navel (657179) same thing
shirt_lift (88168) shirt_up (17020) same results
top_lift (2974) shirt_up (17020) same results
redhixen (37) rexin (54) Same artist
breasts_cutout (123) breast_cutout (1084) same concept
flip_flops (1995) flip-flops (233) same thing; different syntax
swallowing_cum (4137) cum_swallowing (203) same thing
culumon (200) calumon (2) same digimon
calumon (2) culumon (200) same digimo
finger_sucking (577) finger_suck (109) same tag meaning
black_nail_polish (5213) black_nails (26725) similar meaning
bikini_aside (7007) panties_aside (59327) Same thing, but with a subtle difference.
below_view (1905) low-angle_view (37692) 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 (1453) Same Artist. https://chan.sankakucomplex.com/tag_alias?name=kunaboto https://gelbooru.com/index.php?page=alias&s=list&search=kunaboto
ginger (14637) red_hair (399148) Same thing
oerba_yun_fang (1512) 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 (11652) long_nails (7503) same things
armpit (13070) armpits (161530) Same thing
facepaint (8619) face_paint (2706) same tag minus _