| Rank | Word | Pronunciation | PoS | Definition |
|---|---|---|---|---|
| 541 | basket | /bæskət/ | noun | |
| 542 | certification | /sˌɜtəfəkeɪʃən/ | noun | |
| 543 | closure | /kloʊʒɜ/ | noun | |
| 544 | dislike | /dɪslaɪk/ | verb | |
| 545 | downstairs | /daʊnstɛrz/ | adv | |
| 546 | expiration | /ˌɛkspɜeɪʃən/ | noun | |
| 547 | headache | /hɛdˌeɪk/ | noun | |
| 548 | jam | /dʒæm/ | verb | |
| 549 | nail | /neɪl/ | noun | |
| 550 | optimistic | /ˌɑptɪmɪstɪk/ | adj | |
| 551 | pedestrian | /pədɛstriən/ | noun | |
| 552 | projection | /prɑdʒɛkʃən/ | noun | |
| 553 | sleeve | /sliv/ | noun | |
| 554 | suburb | /sʌbɜb/ | noun | |
| 555 | takeover | /teɪkˌoʊvɜ/ | noun | |
| 556 | unsure | /ənʃʊr/ | adj | |
| 557 | upstairs | /əpstɛrz/ | adv | |
| 558 | verbal | /vɜbəl/ | adj | |
| 559 | visa | /vizə/ | noun | |
| 560 | wildlife | /waɪldlˌaɪf/ | noun | |