ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

響動めき[doyomeki] commotion
ぴくぴく動く[pikupikuugoku] to jerk
アメーバ運動[ameebaundou] ameboid movement
インディペンデントリビング運動[indipendentoribinguundou] independent living movement
エコロジー運動[ekorojiiundou] ecological movement

エンジン発動機[enjinhatsudouki] engine
クローン動物[kuroondoubutsu] cloned animal
易動度[idoudo] mobility
異動[idou] change
移動[idou] removal

一段[ichidan] more
一段動詞[ichidandoushi] ichidan verb (one of the two main conjugation classes of verbs in modern Japanese, usually ending in -eru or -iru)
一段落[ichidanraku] completing the first stage
階段[kaidan] stairs
格段[kakudan] special

計画段階[keikakudankai] planning stage
決済手段[kessaishudan] method of payment
減段[gentan] reduction (of crop size)
五段[godan] Japanese verb group
五段動詞[godandoushi] godan verb (one of the two main conjugation classes of verbs in modern Japanese, usually ending in -u, -ku, -su, -tsu, -gu, -bu, -mu, etc.)

哀詞[aishi] message of condolence
一段動詞[ichidandoushi] ichidan verb (one of the two main conjugation classes of verbs in modern Japanese, usually ending in -eru or -iru)
可能動詞[kanoudoushi] potential verb
歌詞[kashi] song lyrics
賀詞[gashi] congratulations

賀詞交換[gashikoukan] New Year greetings (parties)
冠詞[kanshi] article
感動詞[kandoushi] interjection
間投詞[kantoushi] interjection
疑問詞[gimonshi] interrogative word