Put on to something and Tip-off

Tip-off and put on to something are semantically related. In some cases you can replace phrase "Tip-off" with "Put on to something", this phrases are similar.

Tip-off noun - Something that tells of approaching danger or risk.

Put on to something and tip-off are semantically related. Sometimes you can use "Put on to something" instead a verb phrase "Tip-off".