必要, 必用, ひつよう
NA-adjective, 必用 can imply has to be used rather than is just needed
1. necessary, needed, essential, indispensable
2. necessity, need, requirement
歯医者に行く必要はないですよ。
以上, 已上, いじょう
Noun, used as a suffix, Antonym: 以下・1
1. not less than ..., ... and over, ... and above, ... and upwards, ... or more
2. beyond (e.g. one's expectations), more than, further than
May take 'no'
3. the above, the above-mentioned, the aforementioned, the foregoing
Conjunction, after a verb
4. since ..., seeing that ..., now that ..., once ...
Expression
5. that's all, that is the end
6歳以上の子供は学校に通わなければならない。
に
Particle
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), with
5. by, from