Greek Letter Sound ch, ph and k

In the Greek Language, ch makes this sound

In the Greek Language, ph makes this sound

In the Greek Language, y makes this sound

What is the Unique Greek letter-sound in the word physical

What is the Greek letter Sound in chemistry?

Which word has the Greek Letter Sound (ph/f/, ch/k/, or y /i/)

Which word has the Greek Letter Sound (ph/f/, ch/k/, or y /i/)

Which word has the Greek Letter Sound (ph/f/, ch/k/, or y /i/)

Which word has the Greek Letter Sound (ph/f/, ch/k/, or y /i/)

What language did we study?