to help, aid, or provide support to a person or process

to provide instructional assistance, coaching, or academic tutoring

a coach, teacher, or counselor (often in a university or youth organization)

to complement one another

auxiliary or secondary ingredients used in cooking or medicine, such as seasonings or excipients

to assist (usually a ruler)

Kyiv, capital of Ukraine

A class or course providing supplemental instruction, remedial help, or preparation for exams.

complementary food (for an infant)

coenzyme (chemistry)

coins or notes of a value smaller than the country's standard unit of currency

(education) to minor in; minor

supplemented or accompanied by something secondary to enhance or support a primary element

to assist a ruler in governing a country

to assist or support (usually a leader or superior), acting as a helper or protector

supplementary educational material (e.g. a practice workbook, exam preparation guide etc)

assistive device (such as a walking frame or hearing aid)

palato-alveolar consonant (linguistics)

Kievan Rus', East Slavic state that reached its peak in the early to mid-11th century

voiced consonant (linguistics)

computer-aided design and drawing

computer-aided design (CAD)

Fu Jen Catholic University of Peking (est. 1925), a predecessor of Beijing Normal University.

an additional line added to a geometric figure to aid in proving a theorem or solving a problem

a class providing extra instruction or support, typically for academic subjects.

grant (Taiwan)

to assist the monarch in managing state affairs or to serve as a regent

(Taiwan) an academic minor in university education

auxiliary police officer