"spoke in a servile tone"; "the incurably servile housekeeper"; "servile tasks such as floor scrubbing and barn work"
is similar to
attempting to win favor by flattery
is similar to
attentive in an ingratiating or servile manner
"obsequious shop assistants"
is similar to
abjectly submissive; characteristic of a slave or servant
"slavish devotion to her job ruled her life"; "a slavish yes-man to the party bosses"- S.H.Adams; "she has become submissive and subservient"
is similar to
suitable for a slave or servant