| Rank | Word | Pronunciation | PoS | Definition |
|---|---|---|---|---|
| 1965 | abandon | /əˈbæn.dən/ | verb | |
| 1979 | bike | /baɪk/ | noun | |
| 1964 | calm | /kɑm/ | adj | |
| 1971 | delight | /dɪˈlaɪt/ | noun | |
| 1976 | differ | /ˈdɪ.fər/ | verb | |
| 1980 | distribute | /dɪˈstrɪb.jut/ | verb | |
| 1975 | dramatic | /drəˈmæt.ɪk/ | adj | |
| 1969 | efficient | /ɪˈfɪʃ.ənt/ | adj | |
| 1966 | examination | /ɪgˌzæm.əˈneɪ.ʃən/ | noun | |
| 1977 | grateful | /ˈgreɪt.fəl/ | adj | |
| 1974 | lean | /lin/ | verb | |
| 1961 | plain | /pleɪn/ | adj | |
| 1973 | premise | /ˈprɛm.ɪs/ | noun | |
| 1978 | protein | /ˈproʊ.tin/ | noun | |
| 1968 | rapidly | /ˈræp.ɪd.li/ | adv | |
| 1970 | revolution | /ˌrɛv.əˈlu.ʃən/ | noun | |
| 1963 | rural | /ˈrʊər.əl/ | adj | |
| 1967 | silence | /ˈsaɪ.ləns/ | noun | |
| 1972 | spell | /spɛl/ | verb | |
| 1962 | volunteer | /ˌvɑl.ənˈtɪər/ | noun | |