There is no Spanish word for love that begins with N.
nugget
Need is another word for require and begins with an N.
N- 5 letters:nannynasalnavelnoiseneedynylonnorthniecenastynoosenannyninthniftynoblenovelnaivenakednastynativenethernervenevernichenexusninnyninjanightnotchnudgenurse
Another name for abnormal swelling starting with 'N' is a Nodule.
Noodles
norm
nestling
noticed
nuholictan
Nesbia
needless