The /p/ sound

Lips	The lips start together. Then they separate.
Teeth	There is a separation between the teeth.
Air	Air passes through the mouth. First, the air stops. Then, it flows.
Vocal Chords	The vocal cords do not vibrate.

Examples of words with the /p/ sound

schweppes /ˈ ʃ w ɛ p s/	Pronounced by Joanna Pronounced by Salli Pronounced by Joey Pronounced by Matthew
apple /ˈ æ p ə l/ /ˈæ-pəl/	Pronounced by Joey
burpees /ˈ b ɜ r p ɪ z/ /ˈbɜrp-ɪz/	Pronounced by Joanna
backpack /ˈ b æ k ˌ p æ k/ /ˈbæk-ˌpæk/	Pronounced by Joey
popeye /ˈ p ɑ ˌ p a ɪ/	Pronounced by Ivy
experiment /ɪ k ˈ s p ɛ r ə m ə n t/ /ɪks-ˈpɛ-rə-mənt/	Pronounced by Kimberly
specifically /s p ə ˈ s ɪ f ɪ k l i/	Pronounced by Joey
relationship /r i ˈ l e ɪ ʃ ə n ˌ ʃ ɪ p/	Pronounced by Ivy
pretty /ˈ p r ɪ t i/	Pronounced by Salli
wake-up /ˈ w e ɪ ˌ k ʌ p/	Pronounced by Justin