Vocabulary consisting only from characters you are able to read
何時までも
いつまでも
(uk) forever, for good, eternally, as long as one likes, indefinitely, no matter whatmix
延長
えんちょう
(1)extension, elongation, prolongation, lengthening, (n) (2)Enchou era (923.4.11-931.4.26) suru
切る
きる
(1)to cut (usu. to cut through)/ (2)to sever (connections, ties)/ (3)to turn off (i.e. the light)/ (4)to terminate (i.e. a conversation)/to hang up (the phone)/to disconnect/ (5)to punch (a ticket)/t godan, jlpt5, leda1, verb, vtrans
濃度
のうど
(1)concentration, thickness, density, (2)cardinality adj