Self-abnegating and Self-sacrifice

Self-abnegating adjective - Given to or marked by restraint in the satisfaction of one's appetites.

Self-sacrifice and self-abnegating are semantically related. In some cases you can use "Self-sacrifice" instead a noun phrase "Self-abnegating".

Self-sacrifice noun - Acting with less concern for yourself than for the success of the joint activity.

Self-abnegating and self-sacrifice are semantically related. Sometimes you can replace phrase "Self-abnegating" with "Self-sacrifice", this phrases are similar.