Greek & Latin roots of english

audio-audire-auditum

hear(audible, audience; audition, auditory, auditorium)

experior-experiri-expertum

to try(experience, expert, expertise)

scio-scire-scitum

know(science, conscience, conscious)

sentio-sentire-sensum

feel(sentient, sentiment,; asscent, consent; sense, sensate, sensation)

venio-venire-ventum

come(convenient, convene, intervene;convention, intervention, invention)