I can't figure-out why certain words are categorized as サ変接続 such as
All those words are definitely サ変名詞. So, what do those words have that also make them サ変接続? What would be some words that are exclusively サ変接続 and not also サ変名詞?
Perhaps is サ変名詞 really just short-hand for a word that can be (名詞 + サ変接続)?
I am using the Kuromoji Japanese tokenizer. Part of the metadata for a word/token is the part of speech. Here is a snippet of output from tokenizing a newspaper article. I decided to display the reading and part of speech:
発表 --> ハッピョウ --> 名詞,サ変接続,,
など --> ナド --> 助詞,副助詞,,
新 --> シン --> 接頭詞,名詞接続,,
機能 --> キノウ --> 名詞,サ変接続,,
を --> ヲ --> 助詞,格助詞,一般,*
導入 --> ドウニュウ --> 名詞,サ変接続,,
仮想 --> カソウ --> 名詞,サ変接続,,
現実 --> ゲンジツ --> 名詞,一般,,
ヘッド --> ヘッド --> 名詞,一般,,
Actually... I just noticed I mistakenly said 'サ変接続詞' instead of just 'サ変接続'. Even so, サ変名詞 seem to act just like サ変接続?