echo, sound, reverberation, noise / the ring/sound/feel of an expression/word

special

(archaic) The hiragana syllable ゐ (wi). Its equivalent in katakana is ヰ (wi). It is the forty-fifth syllable in the gojūon order; its position is わ行い段 (wa-gyō i-dan, “row wa, section i”).

特別: specially, particularly, exceptionally

a sound / when used with a "hear" verb, a rumor or fame / news, tidings / a reply, response

sound; echo; voice

peek-a-boo

great, excellent, magnificent, extraordinary

rank, place

rank, place / decimal place / ghosts