Bitter and Acerbic Harridan
What OeL lacks is the specter of upkeep looming over you the whole game. It becomes much more purely about the efficiency with which you grab and upgrade resources. The spatial aspect of the building is closer to Agricola than anything else of Uwe's, and the forest/swamp clearing is more or less the same as FotM. But honestly it felt more like Glen More than anything, just in how aware you have to be of what's next to what as you build.
Ha! You are the first person to articulate exactly what I think about Ora. My husband remarked that it reminded him of a cross between Glen More and Le Havre, with the emphasis on the former. We played a 2p and it felt like it had hardly any tension compared to Le Havre, partly because of the lack of a feeding rounds and partly because in 2p there was almost always some resource you do well on. The main tension seemed to be energy (late in game) and stone (mid/late game).
To get back to the OP's question, it really depends on what you are looking for. If you really love Agricola and just want something to change it up, then by all means, Farmers of the Moor. Wood becomes less of a pivot point in the 2p game for example.
Ora is certainly a solid game, even if I'm not it's number one fan considering it's cost.