Little by little and One-time

Little by little adverb - By small steps or amounts.

One-time and little by little are semantically related. In some cases you can replace phrase "One-time" with "Little by little", this phrases are similar.

One-time adjective - Belonging to some prior time.

Little by little and one-time are semantically related. Sometimes you can use "Little by little" instead an adverb phrase "One-time".