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
bunny (14670) rabbit (2848) same thing
eyes_closed (103442) closed_eyes (190563)
cyan_hair (108) aqua_hair (53394) Same thing, really
turquoise_hair (6) aqua_hair (53394)
ichigo_(k-on!) (0) wakaouji_ichigo (142) full character name
tewi (4) inaba_tewi (9415) Combine the tags
race_queen (2633) racequeen (0) removing the space
tagme_(artist) (290) artist_request (52717)
katekyo_hitman_reborn! (1029) katekyo_hitman_reborn (853)
tie (933) necktie (173598)
kyuubee (1312) kyubey (6750)
sakuraba_milfeulle (1) milfeulle_sakuraba (462) The second is much more used.
defoko (2) utane_uta (126) fan nickname to official name
willaim (0) petticoat (8053) I love it.
cop (0) police (3717)
xmas (3) christmas (17435)
boobies (2) breasts (788021)
boobs (17) breasts (788021)
bunny_ears (21433) rabbit_ears (10093)
yamiko (102) yamiya (71) http://www.pixiv.net/member.php?id=176223 artist's pixiv is やみや
big_boobies (0) big_breasts (223)
big_boobs (0) big_breasts (223)
lord_genome (12) lordgenome (175) Lordgenome is the official translation but alot of fans use Lord Genome
tengen_toppa_gurren-lagann (612) tengen_toppa_gurren_lagann (6939) Official spelling is gurren_lagann
blond_hair (274) blonde_hair (650358)
love_is_war (3) koi_wa_sensou_(vocaloid) (566) English name to Japanese name
cosmo_p (0) cosmo_(bousoup) (32) Artist's full username
spiked_hair (22992) spiky_hair (1357)
cloud (118310) clouds (4406) plural (many clounds on a picture)
moero!_justice_gakuen (76) project_justice (10) Japanese to English title
shiritsu_justice_gakuen (131) rival_schools:_united_by_fate (8) Japanese to English title
kemonomimi (292) animal_ears (337683) Japanese and English synonyms.
protoman (0) blues_(rockman) (105) US name=JPN name
toono_akiha (775) tohno_akiha (469)
blushing (83) blush (910609) The same thing, and blush is more common.
griffin (180) griffin (180)
soryu_asuka_langley (2768) souryuu_asuka_langley (7100)
ultimate_madoka (3300) goddess_madoka (820) same thing, latter is more popular
gryphon (8) griffin (180)
donut (45) doughnut (5260)
horo (87) holo (1582) official spelling
megaman (31) rockman (4906) USA ver.--->Jpn ver.
megaman_(series) (0) rockman_(series) (1) USA ver. --> Jpn ver.
fatal_frame_iv (0) fatal_frame_4 (223) Roman Numerals
female_protagonist_(pokemon_bw2) (262) mei_(pokemon) (2246) Official name given to the female protagonist in Pokémon Black 2 and White 2.
male_protagonist_(pokemon_bw2) (132) kyouhei_(pokemon) (549) Official name given to the male protagonist in Pokémon Black 2 and White 2.
double_buns (357) double_bun (46506) Same concept, one just has the plural.
laugh (121) laughing (6308) Same thing
hayate_no_gotoku (1) hayate_no_gotoku! (2480)
alicia_satsuki_mclean (0) alicia_satsuki_mcclane (1)