| Share | Phrase |
|---|
| 16.75% | alternating [time periodicity] current |
| 9.60% | alternating [time periodicity] voltage |
| 6.53% | alternating [time periodicity] polarity |
| 5.64% | alternating [time periodicity] half-waves |
| 4.86% | alternating [time periodicity] signal |
| 3.63% | alternating [time periodicity] movement |
| 3.55% | alternating [time periodicity] field |
| 3.45% | alternating [time periodicity] interpolymer |
| 3.24% | alternating [time periodicity] flux |
| 3.10% | alternating [time periodicity] layer |
| 2.97% | alternating [time periodicity] power |
| 2.88% | alternating [time periodicity] period |
| 2.45% | alternating [time periodicity] system |
| 2.45% | alternating [time periodicity] anhydride |
| 2.44% | alternating [time periodicity] fashion |
| 2.06% | alternating [time periodicity] surface |
| 2.01% | alternating [time periodicity] region |
| 1.88% | alternating [time periodicity] north |
| 1.87% | alternating [time periodicity] wave |
| 1.82% | alternating [time periodicity] cycle |
| 1.77% | alternating [time periodicity] sequence |
| 1.64% | alternating [time periodicity] component |
| 1.63% | alternating [time periodicity] channel |
| 1.63% | alternating [time periodicity] relation |
| 1.63% | alternating [time periodicity] left |
| 1.58% | alternating [time periodicity] stroke |
| 1.38% | alternating [time periodicity] relationship |
| 1.27% | alternating [time periodicity] ring |
| 1.20% | alternating [time periodicity] flow |
| 1.15% | alternating [time periodicity] motion |
| 0.93% | alternating [time periodicity] manner |
| 0.85% | circumferentially [manner] alternating |