Gaidar's rhymes with:
radars, aerostar's, aerostars, avatars, boxcars, cojimar's, escobar's, feldspars, handlebars, hectares, jaguar's, jaguars, magyars, melkar's, memoirs, minstar's, mizar's, morningstar's, motorcars, northstar's, radars, railcars, registrars, reservoirs, seminars, seskar's, sidebars, tigar's, windstar's
Gaidar's sounds like:
gastric, gatherers, gathers, gators, gauthreaux, gautreaux, gestures, gethers, getters, godrej, gooders, goodrich, goodrich's, goodrick, goodyear's, guidroz, guitarro's, guitars, guiterrez, guitierrez, guthrie's, gutierez, gutierres, gutierrez, gutters