for A1

/fɔɹ/ Because.

first A1

/fɔːst/ before anything else

principle B1

/ˈprɪnsəpəl/ a basic truth or law or assumption

precise A2

/pɹɪˈsaɪs/ sharply exact or accurate or delimited

precision C1

/pɹəˈsəʒ.ən/ The state of being precise or exact; especially, both exact and accurate.

paralysis B2

/pəˈɹæləsəs/ A state of being unable to act.