Similar to missed.
expected, longed
She longed to be touched by him again.The dog longed to have another biscuit.
There is one syllable in the word longed.
He longed for a warm bed as he climbed up the mountain.
He longed for a chance to meet the love of his life again.
Present perfect is formed with --- have/has + past participle.Because long is a regular verb the past participle is verb + -ed = longed.So present perfect is have longed or has longed egThey have longed to see each other againHe has longed for a new car for years.
wished
Drop the 'ed' on 'longed' and it will be a proper statement.
longed
The SETTLER felt lonely on the frontier and longed for LETTERS from home
Yes, long is an adjective, when used with a noun. It can also be an adverb.
Longed for, desired