The overall effect is of a well-meaning but not entirely simpatico mutual admiration society (Amazon review)
Even though the flashbacks serve to explain her present manner, and the viewer sees her in happier days, Helen is still not as simpatico a character (Amazon review)
As they were when working together with Johnny Cash, Petty and Rick Rubin make a very simpatico team. (Amazon review)
If he was not always simpatico with the hippie ethos, the Acid Tests, at least, seemed to have been tailor-made for him (Sandison & Vickers, Neal Cassady: The Fast Life of a Beat Hero, 2006)
"not particularly simpatico with Hill and Pierce," was brought into the firm by Ward to maintain his balance of power. (Cutlip, Fund Raising in the United States, 1990)
Peter and I were not intellectually simpatico. And I might say that Dorothy and I weren't entirely intellectually simpatico either (Troester, Voices from the Catholic Worker, 1993)
Making appointments to the board that reflect performance and public interest representation, not politically simpatico motivations and aspirations (Whincop, Corporate Governance in Government Corporations, 2005)
The so-called father and his son seem to have had serious problems not very simpatico. (Black, Born Storytellers, 2005)
The Italian villagers consider him not to be simpatico - unlike some deplorably vulgar English people (Gargett & Longstaffe, Heroism and Passion in Literature: Studies in Honour of Moya, 2004)
Has a harsh voice and distracted passionate look and is not at all simpatico to me, and I judge not to most other people. (Deacon, Elsie Clews Parsons: Inventing Modern Life, 1999)
Reiner Goldberg's Parsifal is almost in the maturer James King mold as heard with Kubelik, not especially profound but simpatico and affecting enough
lissome harmonies (Montgomery's willowiness stood up beautifully next to Jones' almost petulant willfulness), not to mention their simpatico phrasing
Islam also has much in it that is not wholly and manifestly simpatico with our way of life.
if Bush is asking for democracy, and the Arabs freely elect a leader, who, like Arafat, may not be "simpatico" in Bush's eyes
But kudos to you for going out and doing something different. Even if the folks are not completely simpatico.
His music is tremendously important to me, and I feel quite simpatico with him as a person, based on what I know of his life.
We're very simpatico on things to do with women's issues and other things. I really admire the way she's gone to school and taken on a new career
Pats electric guitar with Brads grand piano: they are very audibly very simpatico on this intricate, nimble, playful and very inter-active duet (ABC, Australia)
ALISTAIR Cowden wouldn't be the first resources boss with an overseas project to feel the local market is not exactly simpatico. (Australia)
A revolutionary of his time; A simpatico look at an old story (Australia)
This is a business relationship and you need to be working with people who are simpatico, who want to collaborate with you, your work and processes (Australia)
Indulging your passions and interests is another way of meeting simpatico folk. (Australia)
Actually, on Australian sites I even found it as a noun:
You get to share in the fervent anticipation of a product with like-minded souls, swapping embellished tales and forging a sort of techie simpatico (Australia)
Somebody in tune with the cars can often work wonders, while technicians without the necessary simpatico can often be left scratching their heads (Australia)
She reads the ABC news with authority and dispassion, but with enough simpatico to be appropriate. (Australia)
re #29: I don't know, if this word gets a note like that, I want to request the same note for half a dozen other ones that over the years Norbert has protested (with some justification) aren't really rare. (-;
It's true that a standard marking like 'infrequent' or 'uncommon' (for less rare than really rare) might be helpful for many words, but deciding where to draw the line in any one case is tough.
And for me personally, this word isn't that uncommon, so basically I agree with dulcinea and Gulliva. (Except that, assuming you add the written accent, it is indeed also Spanish, and Portuguese for that matter as well.) In lieu of rereading all of Hemingway, which I'm not dying to do, I've listed a few examples above.
Of course it's still much less common than 'sympathisch.' It often has an almost tongue-in-cheek tone, rather humorous or self-consciously cute -- I was going to say 'coy' but Gulliva's 'chic' is better -- whereas the German is just an ordinary description.
But still, across a broad spectrum of frequency of use, I don't think we can say it's all that uncommon.