令姪[reitetsu] your niece
姪御[meigo] (another person's) niece
姪孫[tesson] grandniece

姪子[meigo] niece
又姪[matamei] grandniece

御出でになる[oideninaru] to be
御珍々[ochinchin] penis
御田[oden] oden
御鍋[onabe] pot
御負けに[omakeni] to make matters worse

御呪い[omajinai] good luck charm
御襁褓気触れ[omutsukabure] diaper rash
御目出度う御座います[omedetougozaimasu] congratulations
御握り[onigiri] rice ball (often triangular, sometimes with a filling and wrapped in nori)
御陰[okage] grace (of God)