
die Anhebung
increase
The increase of a value, level, or amount, for example prices, salaries, taxes, or interest rates.
Die Gewerkschaft fordert eine Anhebung der Löhne um fünf Prozent.
The union is demanding an increase in wages of five percent.
increase / raising
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increase
The increase of a value, level, or amount, for example prices, salaries, taxes, or interest rates.
Die Gewerkschaft fordert eine Anhebung der Löhne um fünf Prozent.
The union is demanding an increase in wages of five percent.

raising
The physical act of lifting or bringing something into a higher position.
Die Anhebung der Brückenteile erforderte einen Spezialkran.
The raising of the bridge sections required a special crane.
'Die Anhebung' (the increase/raising) is the nominalization of the separable verb 'anheben' (to raise). The verb literally means 'to lift something upward' and also transfers this idea to abstract values.
Der Kran hebt die schwere Last an.
The crane lifts the heavy load.
You can tell whether the financial or the physical meaning is intended from the object. With abstract things like 'Preise' (prices) or 'Gehälter' (salaries), it is about an increase. With concrete objects like 'Brücke' (bridge) or 'Last' (load), it is about physical lifting.
Die Anhebung der Zinsen soll die Inflation bremsen.
The increase in interest rates is intended to slow inflation.
In the abstract meaning, 'Anhebung' (increase) is often used with the genitive to say what is being increased. Typical examples are: 'die Anhebung der Preise' (the increase in prices), 'der Gehälter' (of salaries), 'der Steuern' (of taxes), or 'des Niveaus' (of the level).
Eine Anhebung der Mieten ist für nächstes Jahr geplant.
An increase in rents is planned for next year.
In the physical meaning, 'Anhebung' (raising) is often used in technical or formal contexts. It describes the controlled, often mechanical process of lifting something up.
Die Anhebung der gesamten Dachkonstruktion war ein komplexes Manöver.
The raising of the entire roof structure was a complex maneuver.
increase / rise
Both words are possible for prices, salaries, or interest rates. Anhebung more strongly emphasizes deliberately raising something to a new level. Erhöhung refers more generally to an upward change and can also focus on the higher amount as the result.

Die Firma plant für Juli eine Anhebung des Stundenlohns um zwei Euro.
The company plans to raise the hourly wage by two euros in July.
Die Erhöhung des Stundenlohns beträgt ab Juli zwei Euro.
The increase in the hourly wage will be two euros as of July.