ripple ②repercussions ③Japanese slit drum

radio wave ②saying strange things

wave motion ②wave

Tanba (former province located in parts of present-day Kyoto, Hyogo and Osaka prefectures)

electromagnetic wave

brain waves ②electroencephalogram

frequency (esp. of waveforms)

ultrasonic waves

disturbance

wavelength

shock wave

sound wave

ground wave ②terrestrial

second wave

electromagnetic interference

radio tower

attacking in waves

waves that remain after the wind has subsided ②after-effect

surging sea

(electronic) jamming

wave ②ups and downs

roar of waves

tsunami

raging waves ②hardships

wave (on the water's surface)

to dash against (of waves) ②to wave (e.g. in the wind)

wavy form ②waveform

billow

the sound of waves

surging crowd

waving heads (of grain)

whitecaps ②thief

giant tsunami

between the waves

high waves

surfing

water's edge

wind and waves ②strife

interval between the waves

old age

Naniwa (former name for Osaka region)

Awa (former province located in present-day Tokushima Prefecture)

Awa Odori Festival (Tokushima)

Naniwa Bay (old name for Osaka Bay)

Poland