planéis
Planéis is not a standard form in modern Spanish. It is commonly considered a misspelling or nonstandard variant of a verb form derived from planear, which means to plan or to outline. The normative second-person plural forms in this verb’s paradigm are planeáis in the present indicative and planeéis in the present subjunctive. In other words, planéis is not the correct written form for the present subjunctive vosotros; the correct form is planeéis, with the standard pronunciation plane-éis.
Planear is a regular -ar verb. Its standard present tense forms for vosotras/vosotros include planeáis (present
Regional usage varies: in Spain, the vosotros forms are common in informal second-person plural speech and writing;
Summary: planéis is not the standard form in contemporary Spanish. The correct present subjunctive for vosotros