No.
The schwa is the vowel sound in bird or herd. The vowel sound in puppy is the 'pup tent' or 'turned v' represented by the symbol ʌ
An example of the schwa vowel sound is the sound the letter a makes in the word "about".
The -us in focus has the schwa sound (uhs).
The only vowel sound in the word climb is not a schwa sound.
"Afraid" does, in the first syllable. The schwa sound is basically anything that says "uh."
The schwa vowel for the word "yesterday" is /ə/. It is the unstressed sound in the second syllable of the word.
There is no schwa in ego. Both vowel sounds of the word are pronounced clearly, as in ee-go, while a schwa occurs with an unstressed vowel sound.
The E (er) has a schwa or unstressed (uh) sound in mystery.
The schwa sound in "lower" is represented by the vowel sound /ə/. It is a short and relaxed sound that is commonly found in unstressed syllables.
The "sand" has a schwa sound, being pronounced as zehnd, zihnd, or zuhnd.
In the word "appearance," the schwa sound is represented by the second 'a'. It is a short, mid-central vowel sound that is pronounced as a quick, unstressed 'uh' sound, like the 'a' in the word "sofa."
The -et has the schwa, an it/et/ut unstressed sound, and will vary by dialect.
Say it out loud and listen to yourself for the SCHWAsound in it.