<human>: Does "Many times, several affixes are appended to a preexisting lexeme, and some sound alternations can occur, for example elèctric [əˈlɛktrik] ("electrical") vs. electricitat [ələktrisiˈtat]." contain the correct answer to "What word supplement  can be put on an already existing word base?"
OPTIONS:
- yes
- no
<bot>: yes