Rise and Raise

• Rise refers to something being moved upwards or an amount of something being increased. For example, to say that the sun rises and hot air rises refers to the action of these objects moving upwards.
• Raise refers to something being moved to a higher position or something getting improved. For example, to say that you raise your hand or your voice refers to the action of moving your hand or voice to a higher level than previously. Or, you might refer to a need to raise efficiency in the factory, when factory efficiency needs to improve.
• Raise (raise, raised, raised, is raising):
  • I raised my head to look at them.
  • She raises the book from the floor.
• Rise (rise, rose, risen, is rising):
  • My head rose upon hearing the harsh noises.
  • My book is rising to the bestsellers top ten list.
• It might help you to remember this mnemonic: To RAise grammatically has an Attack to or an Action on an object, but to rise does not have.
• "I rise each day at 8 o'clock" - this is a formal way of saying "I get up each day at 8 o'clock".
• "She rose when the queen entered the room" - another formal way of saying "she got up when the queen entered the room".
• "The wind and water level are rising, please evacuate!" - this refers to the wind becoming stronger and the water level moving upwards.
• "He wanted to rise to the top of his field" - is one way of saying "He wanted to be promoted to the top of his field".
• "Use of disposable water bottles rose during the 90s" - is another way of saying "Use of disposable water bottles increased during the 90s".
• "Those of you wishing to visit the museum today, please raise your hand." - refers to "putting up or lifting" your hand.
• "I have to raise my voice because he's a little deaf." - refers to "lifting the level" of the person's voice.
• "She raised the her slightly to make the skirt shorter to walk in the water." - refers to placing the hem in a higher position than before.
• "Raise" is a regular verb. This makes it easy to remember in both the past and perfect participles. On the other hand, "rise" is an irregular verb and its past and perfect participles therefore changes in its past participle and perfect participle forms.